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Calibers

See every AR platform caliber we offer here at the Bear Creek Arsenal online caliber gun shop! Great prices and high performance guaranteed for every caliber. Check out our huge assortment of calibers and find the perfect rifles, pistols, uppers, and barrels, from the calibers you love. Our extensive selection is sure to have just what you need so get yours today from BCA and save! If you don’t have a specific caliber in mind, check out our Guns & Parts page and browse through specific platforms instead. You can find it all right here at the BCA online gun shop!

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Items 1 to 12 of 718 total

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Position
  1. .450 Bushmaster, 16" Parkerized Heavy Barrel AR-15 Upper
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    BC-15 | .450 Bushmaster Upper | 16” Parkerized Heavy Barrel | 1:24 Twist | Carbine Length Gas System | 15” MLOK
    Rating:
    87%
    33 Reviews
    Special Price $229.42 Regular Price $274.91
  2. 5.56 NATO, 14.5" Black Nitride M4 Barrel
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    BC-15 | 5.56 NATO | 14.5" Black Nitride M4 Barrel | 1:7 Twist | Pistol Length Gas System
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    $106.99
  3. BC-10 | 6.5 Creedmoor Forged Upper | 20” Parkerized Straight Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15” MLOK Split Rail
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    BC-10 | 6.5 Creedmoor Forged Upper | 20” Parkerized Straight Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15” MLOK Split Rail
    Rating:
    100%
    1 Review
    $353.94
  4. .22 Magnum | 16" Black Nitride Heavy Barrel
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    BC-22 | .22 Magnum | 16" Black Nitride Heavy Barrel | 1:16 Twist | Blowback System
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    $169.99
  5. .243 Winchester | 20" 416R SS Straight Fluted SOCOM Barrel
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    BC-10 | .243 Winchester | 20" 416R SS Straight Fluted SOCOM Barrel | 1:8 Twist | Rifle Length Gas System
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    $172.99
  6. BC-15 | 6.5 Grendel Right Side Charging Forged Rifle | 16" Black Nitride M4 Barrel | 1:8 Twist | Carbine Length Gas System | 15" MLOK | No Magazine
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    BC-15 | 6.5 Grendel Right Side Charging Forged Rifle | 16" Black Nitride M4 Barrel | 1:8 Twist | Carbine Length Gas System | 15" MLOK | No Magazine
    Rating:
    100%
    1 Review
    $458.14
  7. 5.56 pistol barrel
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    BC-15 | 5.56 NATO | 7.5" Parkerized M4 Barrel | 1:7 Twist | Pistol Length Gas System
    Rating:
    100%
    9 Reviews
    $68.99
  8. 5.56 NATO | 12.5" Parkerized SOCOM Barrel
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    BC-15 | 5.56 NATO | 12.5" Parkerized SOCOM Barrel | 1:7 Twist | Mid-Length Gas System
    Rating:
    100%
    1 Review
    $77.99
  9. sale 10/6-10/12
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    BC-15 | 7.62x39 | 16" Parkerized Heavy Barrel | 1:10 Twist | Carbine Length Gas System
    Rating:
    97%
    21 Reviews
    $82.99
  10. Black Dog | .22 Magnum/.17 HMR 10 Round Magazine
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    Black Dog | .22 Magnum/.17 HMR 10 Round Magazine
    Rating:
    95%
    62 Reviews
    $24.99
  11. .243 Winchester | 20" Black Nitride Straight Fluted SOCOM Barrel
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    BC-10 | .243 Winchester | 20" Black Nitride Straight Fluted SOCOM Barrel | 1:8 Twist | Rifle Length Gas System
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    $181.99
  12. BC-10mm | .10MM | 16" Parkerized Government Barrel | 1:16 Twist | Blowback System
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    BC-10mm | .10MM | 16" Parkerized Government Barrel | 1:16 Twist | Blowback System
    Rating:
    100%
    1 Review
    $160.99
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  1. In Stock 584 items
  2. Out of Stock 134 items
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  1. Amend 2 6 items
  2. ASC 7 items
  3. Bear Creek Arsenal 645 items
  4. D&H Tactical 5 items
  5. KCI USA 5 items
  6. Mission First Tactical 6 items
  7. Otis Technology 4 items
  8. Sierra Ammunition 15 items
Classification
  1. Ammunition 18 items
  2. AR Pistol Barrel 42 items
  3. AR Pistols 24 items
  4. Barrels 160 items
  5. Bolt Carrier Group 17 items
  6. Complete Upper Assembly 237 items
  7. Magazines 45 items
  8. Rifles 130 items
Price
Special Features
  1. Bufferless 6 items
  2. Carry Handle 11 items
  3. Hammer Forged 39 items
  4. Painted 36 items
  5. Rimfire 36 items
Platform
  1. 1911 1 item
  2. AK-47 3 items
  3. AR-10 133 items
  4. AR-15 463 items
  5. AR-22 27 items
  6. AR-9 27 items
  7. BC-8 5 items
Color
  1. Black 7 items
  2. Camo 4 items
  3. Flat Dark Earth 8 items
  4. GI Green 7 items
  5. Gold 1 item
  6. White 7 items
Caliber
  1. .223 Wylde 68 items
  2. .300 Blackout 37 items
  3. .308 57 items
  4. 5.56 NATO 139 items
  5. 6.5 Creedmoor 37 items
  6. 6.5 Grendel Type II 48 items
  7. 7.62x39 50 items
  8. 9MM 33 items
Length
  1. 7.5 36 items
  2. 8.5 5 items
  3. 10.5 64 items
  4. 16 242 items
  5. 18 60 items
  6. 20 146 items
  7. 22 16 items
  8. 24 12 items
Charging Style
  1. Left Side Charging 6 items
  2. Right Side Charging 189 items
  3. Rear Charging 169 items
  4. Slick Side Rear Charging 21 items
  5. Dual Charging 16 items
Gas System
  1. Rifle Length 166 items
  2. Mid Length 63 items
  3. Pistol Length 67 items
  4. Carbine 226 items
  5. Blow-Back 67 items
Finish
  1. Black Nitride 169 items
  2. Chrome Lined 1 item
  3. Parkerized 303 items
  4. Stainless 124 items
Profile
  1. Government 21 items
  2. Heavy Barrel 357 items
  3. Lightweight 27 items
  4. M4 Contour 167 items
  5. Mid Weight 2 items
  6. Slim 1 item
  7. SOCOM 15 items
Flutes
  1. BEAR CLAW 36 items
  2. BLACK WOLF 5 items
  3. None 460 items
  4. Spiral Flutes 8 items
  5. Straight Flutes 75 items
Thread Pitch
  1. 1/2 x 28 242 items
  2. 1/2 x 36 22 items
  3. 5/8 x 24 273 items
  4. 5/8 x 32 25 items
  5. 9/16 x 24 5 items
  6. 37/64 x 28 8 items
  7. 49/64 x 20 14 items
  8. Non-Threaded 5 items
Twist
  1. 1:7 90 items
  2. 1:8 242 items
  3. 1:9 20 items
  4. 1:10 123 items
  5. 1:14 28 items
  6. 1:16 59 items
  7. 1:24 15 items
  8. 1:20 12 items
Hand Guard
  1. M-LOK 368 items
  2. Standard Handguard 20 items
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