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338 Winchester Magnum
At Choice Ammunition, we take pride in offering the finest ammunition to meet the needs of discerning shooters and enthusiasts. Among our premium selection, we present the 338 Winchester Magnum Ammo— a potent cartridge designed for long-range hunting and shooting applications. With its high muzzle velocity and exceptional energy, it delivers flat trajectories and excellent downrange performance. The .338 Winchester Magnum is known for its ability to take down large game with authority, including elk, moose, and bears. It offers a good balance between recoil and stopping power, making it manageable for skilled shooters. The cartridge’s wide selection of bullet weights and styles provides versatility for different hunting conditions. Its reputation for accuracy, reliability, and versatility has made it a popular choice among hunters and long-range enthusiasts.
Showing all 12 results
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.338 Winchester Magnum 225 Grain Barnes TSX– The .338 Winchester Magnum is a .338 caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. The .338 in is the caliber at which medium-bore cartridges are considered to begin. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. It is also the most popular medium-bore cartridge in North America and has the most widely available choice in rifles among medium bore rifles. The action length is the same as a .30-06 and most major rifle manufacturers in the United States chamber rifles for the cartridge including the semi-automatic Browning BAR Mk II Safari, making it a very powerful combination against charging dangerous game.
The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O’Neil, Elmer Keith and Don Hopkins with cartridges firing .333 bullets in the late 1940s.
Choice Ammunition has taken our 100% hand-loading techniques and produce an extremely accurate, highly dependable round for the 338 Winchester Magnum in this load. Our loading tolerances are only matched by passionate hand-loaders in their own loading rooms. Consistent seating depths, powder charges and proprietary formulas of Choice Ammunition, make this 225 Grain Barnes Triple Shock round the best you can buy on the commercial market today.
The Bullet:
Since its introduction in 2003, Barnes’ TSX Bullet has earned a reputation as “the perfect hunting bullet.” Now, Barnes has improved on perfection by adding a streamlined polymer tip. The new Tipped TSX features the same 100-percent copper body with multiple rings cut into the shank. It delivers the same gnat’s-eyelash accuracy and “dead right there” performance—but with an added polymer tip that boosts BC and improves long-range ballistics. The tip and a re-engineered nose cavity provide even faster expansion. Complete penetration, virtually 100-percent weight retention and four razor-sharp cutting petals that double bullet diameter means the new Tipped TSX creates more internal damage than any competing bullet. Instant expansion and perfect penetration ensures cleaner, quicker kills.
- Velocity: 2,780 FPS
- 100% Hand-Loaded
- G-1 BC 0.386
Add to cart3 in stock
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.338 Winchester Magnum 225 Grain Barnes TTSX– The .338 Winchester Magnum is a .338 caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. The .338 in is the caliber at which medium-bore cartridges are considered to begin. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. It is also the most popular medium-bore cartridge in North America and has the most widely available choice in rifles among medium bore rifles. The action length is the same as a .30-06 and most major rifle manufacturers in the United States chamber rifles for the cartridge including the semi-automatic Browning BAR Mk II Safari, making it a very powerful combination against charging dangerous game.
The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O’Neil, Elmer Keith and Don Hopkins with cartridges firing .333 bullets in the late 1940s.
Choice Ammunition has taken our 100% hand-loading techniques and produce an extremely accurate, highly dependable round for the 338 Winchester Magnum in this load. Our loading tolerances are only matched by passionate hand-loaders in their own loading rooms. Consistent seating depths, powder charges and proprietary formulas of Choice Ammunition, make this 225 Grain Barnes Tipped Triple Shock (TTSX) round the best you can buy on the commercial market today.
The Bullet
100-PERCENT COPPER BODY
Since its introduction in 2003, Barnes’ TSX Bullet has earned a reputation as “the perfect hunting bullet.” Now, Barnes has improved on perfection by adding a streamlined polymer tip. The new Tipped TSX features the same 100-percent copper body with multiple rings cut into the shank. It delivers the same gnat’s-eyelash accuracy and “dead right there” performance—but with an added polymer tip that boosts BC and improves long-range ballistics. The tip and a re-engineered nose cavity provide even faster expansion. Complete penetration, virtually 100-percent weight retention and four razor-sharp cutting petals that double bullet diameter means the new Tipped TSX creates more internal damage than any competing bullet. Instant expansion and perfect penetration ensures cleaner, quicker kills.
- Velocity 2,723 fps
- 100% Hand Loaded
- G-1 BC 0.514
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.338 Winchester Magnum 225 Grain Nosler AccuBond– The .338 Winchester Magnum is a .338 caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. The .338 in is the caliber at which medium-bore cartridges are considered to begin. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. It is also the most popular medium-bore cartridge in North America and has the most widely available choice in rifles among medium bore rifles. The action length is the same as a .30-06 and most major rifle manufacturers in the United States chamber rifles for the cartridge including the semi-automatic Browning BAR Mk II Safari, making it a very powerful combination against charging dangerous game.
The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O’Neil, Elmer Keith and Don Hopkins with cartridges firing .333 bullets in the late 1940s.
Choice Ammunition has taken our 100% hand-loading techniques and produce an extremely accurate, highly dependable round for the 338 Winchester Magnum in this load. Our loading tolerances are only matched by passionate hand-loaders in their own loading rooms. Consistent seating depths, powder charges and proprietary formulas of Choice Ammunition, make this 225 Grain Nosler AccuBond round the best you can buy on the commercial market today.
The Bullet:
Nosler’s AccuBond bonded core bullet. Through a proprietary bonding process that eliminates voids in the bullet core, AccuBond marries Nosler’s traditional copper-alloy jacket with its special lead-alloy core. The result is a bullet that flies true, penetrates deep, won’t cause extensive barrel fouling, and will retain 60-70% of its weight. The white polymer tip helps protect against deformation while initiating expansion upon impact.
- Velocity 2,775 fps
- 100% Hand Loaded
- G-1 BC 0.55
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.338 Winchester Magnum 225 Grain Nosler Partition– The .338 Winchester Magnum is a .338 caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. The .338 in is the caliber at which medium-bore cartridges are considered to begin. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. It is also the most popular medium-bore cartridge in North America and has the most widely available choice in rifles among medium bore rifles. The action length is the same as a .30-06 and most major rifle manufacturers in the United States chamber rifles for the cartridge including the semi-automatic Browning BAR Mk II Safari, making it a very powerful combination against charging dangerous game.
The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O’Neil, Elmer Keith and Don Hopkins with cartridges firing .333 bullets in the late 1940s.
Choice Ammunition has taken our 100% hand-loading techniques and produce an extremely accurate, highly dependable round for the .300 Weatherby in this load. Our loading tolerances are only matched by passionate hand-loaders in their own loading rooms. Consistent seating depths, powder charges and proprietary formulas of Choice Ammunition, make this 225 grain Nosler Partition round the best you can buy on the commercial market today.
The Bullet-
Partition Bullets feature a fully tapered jacket that ruptures instantly at the thin jacket mouth, yet the gradual thickening along the bullet’s axis controls expansion and curls the jacket uniformly outward at high or low velocities. Nosler’s integral Partition supports the expanded mushroom and retains the rear lead alloy core. The enclosed rear core retains more than half the original bullet weight for deep penetration. The special crimp locks in the rear core section, adding strength to resist deformation under the pressure of heavy magnums.This makes this round no match for Deer, Sheep, Pronghorn and Black Bear and other medium-sized game.
- Velocity 2,780 fps
- 100% Hand Loaded
- G-1 BC 0.454
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.338 Winchester Magnum 225 Grain Swift A-Frame– The .338 Winchester Magnum is a .338 caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. The .338 in is the caliber at which medium-bore cartridges are considered to begin. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. It is also the most popular medium-bore cartridge in North America and has the most widely available choice in rifles among medium bore rifles. The action length is the same as a .30-06 and most major rifle manufacturers in the United States chamber rifles for the cartridge including the semi-automatic Browning BAR Mk II Safari, making it a very powerful combination against charging dangerous game.
The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O’Neil, Elmer Keith and Don Hopkins with cartridges firing .333 bullets in the late 1940s.
Choice Ammunition has taken our 100% hand-loading techniques and produce an extremely accurate, highly dependable round for the 338 Winchester Magnum in this load. Our loading tolerances are only matched by passionate hand-loaders in their own loading rooms. Consistent seating depths, powder charges and proprietary formulas of Choice Ammunition, make this 225 Grain Swift A-Frame round the best you can buy on the commercial market today.
The Bullet-
Swift A-Frame fans, here you go! For 28 years A-Frame rifle bullets have set the standard by which all bonded bullets are measured. With its controlled expansion of 2.2x and 95%+ weight retention A-Frame penetrates deep and mushrooms perfectly, making it the choice of hunters for use on any game, anywhere in the world. With our hand-loaded manufacturing process and tightest load tolerances in the industry, count on Choice Ammunition to provide the most accurate, reliable and consistent round available on the market today!
- Velocity 2890 fps
- 100% Hand-Loaded
- G-1 BC 0.384
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.338 Winchester Magnum 250 Grain Barnes TSX– The .338 Winchester Magnum is a .338 caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. The .338 in is the caliber at which medium-bore cartridges are considered to begin. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. It is also the most popular medium-bore cartridge in North America and has the most widely available choice in rifles among medium bore rifles. The action length is the same as a .30-06 and most major rifle manufacturers in the United States chamber rifles for the cartridge including the semi-automatic Browning BAR Mk II Safari, making it a very powerful combination against charging dangerous game.
The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O’Neil, Elmer Keith and Don Hopkins with cartridges firing .333 bullets in the late 1940s.
Choice Ammunition has taken our 100% hand-loading techniques and produce an extremely accurate, highly dependable round for the 338 Winchester Magnum in this load. Our loading tolerances are only matched by passionate hand-loaders in their own loading rooms. Consistent seating depths, powder charges and proprietary formulas of Choice Ammunition, make this 250 Grain Barnes Triple Shock round the best you can buy on the commercial market today.
The Bullet:
Since its introduction in 2003, Barnes’ TSX Bullet has earned a reputation as “the perfect hunting bullet.” Now, Barnes has improved on perfection by adding a streamlined polymer tip. The new Tipped TSX features the same 100-percent copper body with multiple rings cut into the shank. It delivers the same gnat’s-eyelash accuracy and “dead right there” performance—but with an added polymer tip that boosts BC and improves long-range ballistics. The tip and a re-engineered nose cavity provide even faster expansion. Complete penetration, virtually 100-percent weight retention and four razor-sharp cutting petals that double bullet diameter means the new Tipped TSX creates more internal damage than any competing bullet. Instant expansion and perfect penetration ensures cleaner, quicker kills.
- Velocity: 2,690 FPS
- 100% Hand-Loaded
- G-1 BC 0.425
Add to cart36 in stock
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.338 Winchester Magnum 250 Grain Berger Elite Hunter– The .338 Winchester Magnum is a .338 caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. The .338 in is the caliber at which medium-bore cartridges are considered to begin. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. It is also the most popular medium-bore cartridge in North America and has the most widely available choice in rifles among medium bore rifles. The action length is the same as a .30-06 and most major rifle manufacturers in the United States chamber rifles for the cartridge including the semi-automatic Browning BAR Mk II Safari, making it a very powerful combination against charging dangerous game.
The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O’Neil, Elmer Keith and Don Hopkins with cartridges firing .333 bullets in the late 1940s.
Choice Ammunition has taken our 100% hand-loading techniques and produce an extremely accurate, highly dependable round for the 338 Winchester Magnum in this load. Our loading tolerances are only matched by passionate hand-loaders in their own loading rooms. Consistent seating depths, powder charges and proprietary formulas of Choice Ammunition, make this 250 Grain Elite Hunter round the best you can buy on the commercial market today.
The Bullet:
G7 BC: 0.351
G1 BC: 0.685Berger Elite Hunter Rifle Bullets utilize their industry-leading hybrid ogive, which blends tangent and secant designs to optimize efficiency, reduce wind-drift, and minimize sensitivity to seating depth. Elite Hunter Rifle Bullets are identical in construction, shape and performance to the Berger Hybrid Target series, except they utilize a thinner J4 Precision Jacket for rapid expansion on game animals. Elite Hunters are designed to penetrate 2-3″ and then begin to expand and create a massive wound cavity up to 15″. The hydrostatic shock causes most animals to drop immediately.
- Velocity 2,661 fps
- 100% Hand Loaded
- G-1 BC 0.685
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.338 Winchester Magnum 250 Grain Nosler AccuBond– The .338 Winchester Magnum is a .338 caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. The .338 in is the caliber at which medium-bore cartridges are considered to begin. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. It is also the most popular medium-bore cartridge in North America and has the most widely available choice in rifles among medium bore rifles. The action length is the same as a .30-06 and most major rifle manufacturers in the United States chamber rifles for the cartridge including the semi-automatic Browning BAR Mk II Safari, making it a very powerful combination against charging dangerous game.
The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O’Neil, Elmer Keith and Don Hopkins with cartridges firing .333 bullets in the late 1940s.
Choice Ammunition has taken our 100% hand-loading techniques and produce an extremely accurate, highly dependable round for the 338 Winchester Magnum in this load. Our loading tolerances are only matched by passionate hand-loaders in their own loading rooms. Consistent seating depths, powder charges and proprietary formulas of Choice Ammunition, make this 250 Grain Nosler AccuBond round the best you can buy on the commercial market today.
The Bullet:
Nosler’s AccuBond bonded core bullet. Through a proprietary bonding process that eliminates voids in the bullet core, AccuBond marries Nosler’s traditional copper-alloy jacket with its special lead-alloy core. The result is a bullet that flies true, penetrates deep, won’t cause extensive barrel fouling, and will retain 60-70% of its weight. The white polymer tip helps protect against deformation while initiating expansion upon impact.
- Velocity 2,680 fps
- 100% Hand Loaded
- G-1 BC 0.575
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.338 Winchester Magnum 250 Grain Soft Point– The .338 Winchester Magnum is a .338 caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. The .338 in is the caliber at which medium-bore cartridges are considered to begin. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. It is also the most popular medium-bore cartridge in North America and has the most widely available choice in rifles among medium bore rifles. The action length is the same as a .30-06 and most major rifle manufacturers in the United States chamber rifles for the cartridge including the semi-automatic Browning BAR Mk II Safari, making it a very powerful combination against charging dangerous game.
The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O’Neil, Elmer Keith and Don Hopkins with cartridges firing .333 bullets in the late 1940s.
Choice Ammunition has taken our 100% hand-loading techniques and produce an extremely accurate, highly dependable round for the 338 Winchester Magnum in this load. Our loading tolerances are only matched by passionate hand-loaders in their own loading rooms. Consistent seating depths, powder charges and proprietary formulas of Choice Ammunition, make this 250 Grain Soft Point round the best you can buy on the commercial market today.
The Bullet
The Hornady InterLock is designed to be a devastating hunting bullet and nothing less. The InterLock Ring – a Hornady exclusive – ensures that the core and jacket remain locked during expansion. The InterLock retains more mass, energy and momentum after impact and transfers that energy to the target. Its reliable stopping power has earned the InterLock a worldwide reputation as a bullet for serious hunters.
- Velocity 2,605 fps
- 100% Hand Loaded
- G-1 BC 0.473
Add to cart40 in stock
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.338 Winchester Magnum 250 Grain Swift A-Frame– The .338 Winchester Magnum is a .338 caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. The .338 in is the caliber at which medium-bore cartridges are considered to begin. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. It is also the most popular medium-bore cartridge in North America and has the most widely available choice in rifles among medium bore rifles. The action length is the same as a .30-06 and most major rifle manufacturers in the United States chamber rifles for the cartridge including the semi-automatic Browning BAR Mk II Safari, making it a very powerful combination against charging dangerous game.
The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O’Neil, Elmer Keith and Don Hopkins with cartridges firing .333 bullets in the late 1940s.
Choice Ammunition has taken our 100% hand-loading techniques and produce an extremely accurate, highly dependable round for the 338 Winchester Magnum in this load. Our loading tolerances are only matched by passionate hand-loaders in their own loading rooms. Consistent seating depths, powder charges and proprietary formulas of Choice Ammunition, make this 250 Grain Swift A-Frame round the best you can buy on the commercial market today.
The Bullet-
Swift A-Frame fans, here you go! For 28 years A-Frame rifle bullets have set the standard by which all bonded bullets are measured. With its controlled expansion of 2.2x and 95%+ weight retention A-Frame penetrates deep and mushrooms perfectly, making it the choice of hunters for use on any game, anywhere in the world. With our hand-loaded manufacturing process and tightest load tolerances in the industry, count on Choice Ammunition to provide the most accurate, reliable and consistent round available on the market today!
- Velocity 2,700 fps
- 100% Hand-Loaded
- G-1 BC 0.427
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.338 Winchester Magnum 225 Grain Barnes TSX– The .338 Winchester Magnum is a .338 caliber, belted, rimless, bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms. It is based on the blown-out, shortened .375 H&H Magnum. The .338 in is the caliber at which medium-bore cartridges are considered to begin. The .338 Winchester Magnum is the first choice among professional brown bear (specifically grizzly bear) guides in Alaska to back up clients where a powerful stopping caliber is required on charging bears. It is also the most popular medium-bore cartridge in North America and has the most widely available choice in rifles among medium bore rifles. The action length is the same as a .30-06 and most major rifle manufacturers in the United States chamber rifles for the cartridge including the semi-automatic Browning BAR Mk II Safari, making it a very powerful combination against charging dangerous game.
The .338 Winchester Magnum traces its heritage to the experiments conducted by Charles O’Neil, Elmer Keith and Don Hopkins with cartridges firing .333 bullets in the late 1940s.
Choice Ammunition has introduced the .338 Winchester Magnum in the 285 grain Barnes TSX with the same 100% hand-loading techniques as our other calibers. Our loading techniques and extremely tight tolerances are only matched by passionate hand-loaders in their own loading rooms. Our consistencies box to box and lot to lot, are created by continuous testing at the range- adjusting varied powder and brass lot formulas to match exact velocities and points of impact as the last time we loaded this caliber. Exact seating depths and our proprietary load formulas produce a round of ammunition you can count on for accuracy and dependability each and every time- and at that critical moment in the field when it all comes down to the shot!
The Bullet:
Since its introduction in 2003, Barnes’ TSX Bullet has earned a reputation as “the perfect hunting bullet.” Now, Barnes has improved on perfection by adding a streamlined polymer tip. The new Tipped TSX features the same 100-percent copper body with multiple rings cut into the shank. It delivers the same gnat’s-eyelash accuracy and “dead right there” performance—but with an added polymer tip that boosts BC and improves long-range ballistics. The tip and a re-engineered nose cavity provide even faster expansion. Complete penetration, virtually 100-percent weight retention and four razor-sharp cutting petals that double bullet diameter means the new Tipped TSX creates more internal damage than any competing bullet. Instant expansion and perfect penetration ensures cleaner, quicker kills.
- Velocity: 2,358 FPS
- 100% Hand-Loaded
- G-1 BC 0.585
Buy it Here, 338 Winchester Magnum Ammo
Choice Ammunition has a great selection of 338 Winchester Magnum ammunition for sale. We are committed to providing an unparalleled shopping experience, we are proud to offer the 338 Winchester Mag Ammo as part of our extensive selection. Whether you’re a competitive shooter, a seasoned hunter, or simply enjoy recreational shooting, this ammunition is sure to meet and exceed your expectations.
338 Winchester Magnum FAQ
The effective range of a .338 Winchester Magnum varies on several factors such as bullet type, rifle, and shooter skill, but it is generally capable of reaching distances of up to 800 to 1,000 yards accurately.
Yes, the .338 Winchester Magnum is considered an excellent choice for hunting elk. Its powerful performance, high muzzle energy, and effective range make it capable of taking down elk with proper shot placement and suitable bullet selection.
The best grain bullet for a .338 Winchester Magnum depends on the specific application and target. Generally, bullet weights between 200 and 250 grains offer a good balance of velocity, energy, and terminal performance for hunting big game.
The main difference is in their design and intended use. The .338 Lapua is a military sniper round known for extreme long-range precision, while the .338 Winchester Magnum is a versatile hunting cartridge with a wider range of bullet options.
Showing all 12 results
