5.56x45mm NATO Gun Parts

Luth-AR 18 in Mark 12 kit minus Lower Receiver w/coll. Stock Black Carbine

Luth-AR Charging Handle AR-15/ M16 5.56x45mm NATO/ .223 6.75in Length Steel QPQ Black

Luth-AR Mark 12 Kit Minus Lower Receiver w/ Fixed Stock 5.56mm 27in 18in Government Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized

Luth-AR Mark 12 Complete Upper Barrel Receiver Assembly 5.56 mm 27in 18in Government Rifle 1x9 1/2x28 PicatinnyKey MOD A2 Flash Hider Anodized

JE Machine Tech Standoff Muzzle Brake w/ Crush Washer .223/5.56 Caliber Black

JE Machine Tech M-Lok Free Float Slant Cut Quad Rail Handguard 7in No Anti-Rotation Tabs Black

Stag Arms AR-15 A3 Flattop Upper Receiver Assembly Direct Impingement Type 3 Hard Coat Anodized Right Hand Black

Stag Arms AR-15 Stag 15 Bolt Carrier Group 5.56/.223/300 Blk Right Hand Phosphate

Stag Arms Upper Receiver Assembly Kit Right Hand

Stag Arms AR-15 Stag 15 Bolt Carrier Group 5.56MM/.223/.300BLK/.350 Legend Right Hand Non-Marked Nitride

TacFire AR-15 .223 / 5.56 Thread Protector - 1/2x28 - Silver

Tacfire .223/5.56 1/2inx28 Thread Dragon Muzzle Brake/ Steel Black

Tacfire .223/.556 1/2inX28 Thread Bird Cage Muzzle Brake w/Crush Washer Stainless Steel

AR-STONER AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10.5" Barrel

KAK AR-15 Upper Receiver Completion Kit Forward Assist/Ejection Port Cover

ZRODelta M16 Mil-Spec Bolt Carrier Group 5.56/223/300BLK Nitride 9310 Bolt w/ Billet Extractor Black Small

ZRODelta M16 Mil-Spec Bolt Carrier Group 5.56/223/300BLK Nitride 9310 Bolt w/ MIM Extractor Black Small

ZRODelta M16 Enhanced Bolt Carrier Group 5.56/223/300BLK Nitride C158 Bolt w/ Billet Extractor Black Small

ZRODelta M16 Nitride Bolt Carrier Group BCG Performance 5.56/223/300BLK 9310 Bolt w/ Billet extractor Black

ZRODelta M16 Performance Bolt Carrier Group 5.56/223/300BLK Nitride C158 Bolt w/ Billet Extractor Black Small

ZRODelta A2 Flash Hider 5.56 Black Small

ZRODelta A1 Flash Hider 5.56 Black Small

ZRODelta Mil-Spec Gas Rings 3 Pack Black Small

ZRODelta Mil-Spec Barrel Extension 5.56 M4 Nitride Black Small