AR Parts in 5.56x45mm NATO

Barrett REC7 Gen II 5.56 Nato OD Green 16" Upper Receiver 15238

Barrett REC7 Gen II 5.56 Nato Grey 16" Upper Receiver 15237

aa no mfr MIDWEST AR-15/M16 BOLT CARRIER GROUP MI-BCG

Midwest Industries Extended Rail One Piece Free Float AR15 Handguard - Black | 17.5" | M-LOK

Timber Creek Enforcer AR15 M-Lok Hand Guard Red 9in M E9 HG

Faxon Firearms Arak-21 5.56 Nato Rifle Non-Threaded Rifle Barrel 12.5in Custom 1-8 Twist Assembly Unit Black

ASCENT 5.56X45 NATO COMPLETE UPPER RECEIVER

Ar-15 Suppressor Optimized Barrel 5.56 - Suppressor Optimized Barrel 5.56 14.5'''' Mid-Length Blk

Ar-15 Suppressor Optimized Barrel 5.56 - Suppressor Optimized Barrel 5.56 12.5'''' Carbine Length Blk

CMMG Inc Barrel Sub-Assembly Medium Taper 5.56mm 18in 416SS Salt Bath Nitride

UPPER GROUP RESOLUTE 100 MK4 556 X 45MM

AIM Sports Inc Semi-Complete 5.56 AR Upper Parts Kit No Bcg Or Charging Handle Black Small Black Small

AIM Sports Inc AR-15/M4 KeyMod Handguard Gen II 15in Black Medium Black Medium

Diamondback Firearms AR-15 DB15 Obsidian Barreled Upper Receiver 5.56x45mm NATO 11.5" Olive Drab Green

Diamondback Firearms AR-15 DB15 Obsidian Barreled Upper Receiver 5.56x45mm NATO 11.5" Flat Dark Earth

Diamondback Firearms AR-15 DB15 Obsidian Barreled Upper Receiver 5.56x45mm NATO 11.5" Black

Diamondback Firearms AR-15 DB15 Obsidian Barreled Upper Receiver 5.56x45mm NATO 16" Olive Drab Green

Diamondback Firearms AR-15 DB15 Obsidian Barreled Upper Receiver 5.56x45mm NATO 16" Flat Dark Earth

Diamondback Firearms AR-15 DB15 Obsidian Barreled Upper Receiver 5.56x45mm NATO 16" Black

Diamondback Firearms AR-15 DB15 Diamond Series Barreled Upper Receiver 5.56x45mm NATO 16" Midnight Bronze

Diamondback Firearms AR-15 DB15 Diamond Series Barreled Upper Receiver 5.56x45mm NATO 16" Flat Dark Earth

Diamondback Firearms AR-15 DB15 Diamond Series Barreled Upper Receiver 5.56x45mm NATO 16" Black

Tiger Rock Lower Parts Kit w/o Grip And Screw Black Small

Tiger Rock Lower Parts Kit w/ Flag Grip Black Small