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Expo Arms 5.56 NATO Complete MIL-SPEC M16 / AR-15 Bolt Carrier Group - Phosphate
Precision Defense™ 5.56 Complete M16 Bolt Carrier Group - Nitride
Ballistic Advantage Modern Series 16" 5.56 NATO Government Contour 1:7 Nitride AR-15 Barrel - Mid-Length - 1/2x28
Anderson Manufacturing Mid-Length Government Profile 5.56 NATO AR-15 Barrel - Nitride - 16"
Anderson Manufacturing Mid-Length Government Profile 5.56 NATO AR-15 Barrel - Nitride - 14.5"
Bravo Company Manufacturing AR-15 Bolt Carrier Group - M16
Anderson Manufacturing Complete M16 / AR-15 Bolt Carrier Group - Salt Bath Nitride
Anderson Manufacturing 5.56 Carbine Length M4 Contour AR-15 Barrel 1:8 Twist Rate - 16"
Ballistic Advantage Modern Series 13.7" 5.56 NATO Government 1:7 AR-15 Barrel - Mid-Length - 1/2x28
Ballistic Advantage Modern Series 5.56 AR-15 Barrel Gov. Carbine - 10.5"
Bravo Company Manufacturing AR-15 Bolt Assembly
Sons of Liberty Gun Works 5.56 M16 / AR-15 Bolt Carrier Group - Phosphate
Geissele Automatics 5.56 Enhanced AR-15 Bolt Carrier Group - Nanoweapon
Ballistic Advantage Modern Series Pencil 5.56 NATO AR-15 Barrel - Mid-Length - 16"
Diamondback Firearms 5.56 AR-15 Barrel - Mid-Length - Nitride - 16"
Diamondback Firearms 5.56 AR-15 Bolt Carrier Group - Nitride
Expo Arms 5.56 NATO Complete M16-Cut AR-15 Bolt Carrier Group - Nitride
Ballistic Advantage Performance Series 5.56 Hanson Mid-Length Carbine AR-15 Barrel with Pinned Lo-Pro Gas Block - 13.9"
Spike's Tactical 5.56 M16 Cut AR-15 Bolt Carrier Group
Geissele Automatics 5.56 Cold Hammer Forged Mid-Length Taper Profile AR-15 Barrel - Chrome Lined - 14.5"
Radical Firearms 5.56 AR-15 Barrel Assembly Mid-Length - Zero Impulse Brake - 16"
Ballistic Advantage Modern Series 14.5" 5.56 NATO Government Contour 1:7 Nitride AR-15 Barrel - Mid-Length - 1/2x28
Faxon Firearms 5.56 Mid-Length Gunner AR-15 Barrel with Integral Brake - 16"
Faxon Firearms 5.56 Mid-Length Gunner AR-15 Barrel with Integral Flash Hider - 16"
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