5.56 NATO
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BC-15 | 5.56 NATO Right Side Charging Rifle | 16" Black Nitride M4 Barrel | 1:7 Twist | Mid-Length Gas System | 15" MLOK Split Rail| No MagazineSpecial Price $334.95 Regular Price $484.99
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BC-15 | 5.56 NATO Upper | 8.5" Parkerized M4 Barrel | 1:7 Twist | Pistol Length Gas System | 5" MLOKSpecial Price $199.95 Regular Price $249.99
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BC-15 | 5.56 NATO Right Side Charging Upper | 11.5" Parkerized M4 Barrel | 1:7 Twist | Carbine Length Gas System | 9.5" MLOK | with BCG & Charging HandleSpecial Price $232.95 Regular Price $269.99Out of stock
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BC-15 | 5.56 NATO Right Side Charging Upper | 10.5" 416R SS M4 Barrel | 1:8 Twist | Carbine Length Gas System | 9.5" MLOK | with BCG & Charging HandleSpecial Price $231.95 Regular Price $269.99Out of stock
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BC-15 | 5.56 NATO Upper | 16" Parkerized M4 Barrel | 1:8 Twist | Carbine Length Gas System | 11.5" MLOK | Billet Upper Receiver | with BCG & Charging HandleSpecial Price $189.95 Regular Price $269.99Out of stock
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BC-15 | 5.56 NATO Right Side Charging Upper | 16" 416R SS M4 Barrel | 1:8 Twist | Carbine Length Gas System | 11.5" MLOK | with BCG & Charging HandleSpecial Price $244.95 Regular Price $284.99Out of stock
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BC-15 | 5.56 NATO Upper | 10.5" 416R SS M4 Barrel | 1:8 Twist | Carbine Length Gas System | 9.5" MLOK | with BCG & Charging HandleSpecial Price $231.95 Regular Price $269.99Out of stock
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BC-15 | 5.56 NATO Upper | 16" Parkerized M4 Barrel | 1:8 Twist | Carbine Length Gas system | 15" MLOK| Billet Upper Receiver | with BCG & Charging HandleSpecial Price $232.95 Regular Price $269.99Out of stock
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BC-15 | 5.56 NATO Upper | 10.5" 416R SS M4 Barrel | 1:7 Twist | Carbine Length Gas System | 9.5" MLOK | with BCG & Charging HandleSpecial Price $231.95 Regular Price $269.99Out of stock
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BC-15 | 5.56 NATO Side Charging Upper | 10.5" Stainless Contour | 1:7 Twist | Stainless 416R Carbine Length Gas System | MLOKSpecial Price $231.95 Regular Price $269.99Out of stock
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BC-15 | 5.56 NATO Right Side Charging Upper | 8.5" Parkerized M4 Barrel | 1:7 Twist | Pistol Length Gas System | 6.5" MLOKSpecial Price $214.95 Regular Price $249.99Out of stock
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BC-15 | 5.56 NATO Upper | 7.5" Parkerized Contour - 0.750 | 1:7 Twist | 4150 Pistol Length Gas System | MLOKSpecial Price $208.95 Regular Price $244.99Out of stock
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BC-15 | 5.56 NATO Upper | 10.5" Parkerized Contour | 1:7 Twist | 4150 Carbine Length Gas System | MLOKSpecial Price $220.95 Regular Price $259.99Out 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!