5.56 NATO
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BC-15 | 5.56 NATO Pistol | 4.5" Parkerized Contour | 1:7 Twist | Micro Length Gas System | MLOK Split RailSpecial Price $394.95 Regular Price $519.99
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BC-15 | 5.56 NATO Pistol | 4.5" Parkerized Heavy Barrel | 1:7 Twist | Micro Length Gas System | MLOK Split RailSpecial Price $399.95 Regular Price $524.99
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BC-15 | 5.56 NATO Side Charging Pistol | 4.5" Parkerized Heavy Barrel - 0.75 | 1:7 Twist | Forging Lower | 4150 MLOK Split RailSpecial Price $394.95 Regular Price $519.99
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BC-15 | 5.56 NATO Bolt Action Style Upper | 4.5" Parkerized Heavy Barrel | 1:7 Twist | Talon 4” MLOK Split Rail | with BCG & Charging HandleSpecial Price $259.95 Regular Price $334.99
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BC-15 | 5.56 NATO Upper | 4.5" Parkerized Heavy Barrel | 1:7 Twist | Micro Length Gas System | 4" MLOK Split Rail | with BCG & Charging HandleSpecial Price $239.95 Regular Price $304.99
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BC-15 | 5.56 NATO Side Charging Upper | 4.5" Parkerized Heavy Barrel - 0.875 | 1:7 Twist | 4150 MLOK Split Rail - Micro Flash HiderSpecial Price $239.95 Regular Price $304.99
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BC-15 | 5.56 NATO Right Side Charging Upper | 4.5" Parkerized Heavy Barrel | 1:7 Twist | Micro Length Gas System | 4" MLOK | with BCG & Charging HandleSpecial Price $262.95 Regular Price $304.99Out of stock
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BC-15 | 5.56 NATO Upper | 4.5" Parkerized Heavy Barrel | 1:7 Twist | Micro Length Gas System | 4" MLOK | with BCG & Charging HandleSpecial Price $262.95 Regular Price $304.99Out of stock
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BC-15 | 5.56 NATO Side Charging Pistol | 4.5" Parkerized Heavy Barrel - 0.875 | 1:7 Twist | Forged Lower | 4150 | MLOKSpecial Price $339.95 Regular Price $519.99Out of stock
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BC-15 | 5.56 NATO Pistol with Brace | 4.5" Parkerized Heavy Barrel | 1:7 Twist | Micro Length Gas System | 4" MLOKSpecial Price $414.95 Regular Price $634.99Out of stock
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BC-15 | 5.56 NATO Bolt Action Style Pistol | 4.5" Parkerized Heavy Barrel - 0.75 | 1:7 Twist | Forging Lower | 4150 Pistol Length Gas System | MLOK Split RailSpecial Price $414.95 Regular Price $549.99Out of stock -
BC-15 | 5.56 NATO Side Charging Pistol | 4.5" Parkerized Heavy Barrel | 1:7 Twist | Forging Lower | 4150 MLOK Split Rail - Micro Flash HiderSpecial Price $394.95 Regular Price $519.99Out of stock -
BC-15 | 5.56 NATO Flat Dark Earth Cerakote Upper Assembly | 4.5" Parkerized Heavy Barrel| 1:7 Twist | 4150 Pistol Length Gas System | MLOK Split RailSpecial Price $259.95 Regular Price $324.99Out of stock
5.56 NATO is one of the most popular and versatile calibers in the Western world. Known for its lightweight design, low recoil, and reliable performance, the 5.56x45 NATO is widely used in both military and civilian applications, including self-defense, target shooting, and varmint hunting. Closely related to the .223 Remington, both calibers are known for having the most affordable and widely available ammunition. At Bear Creek Arsenal, you can find your ideal 5.56 rifles, pistols, uppers, barrels, and 5.56 ammo, all engineered for superior accuracy and performance at an unbeatable price!