5.56x45mm NATO Rifle Parts

Spikes Tactical Upper 5.56 16in M4 LE w/10in BAR2 Rail

Spikes Tactical Upper 5.56 16in M4 LE w/BLK MOE Handguard & FSP

Spikes Tactical Upper 5.56 16in M4 LE w/FDE MOE Handguard & FSP

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 7in Pistol Length 1-8 Twist w/ 4in Super Slim Hanguard Black Large

Tiger Rock AR-15 Complete Upper Receiver 5.56mm 24in 16in Barrel M4 Carbine 1x8 Twist 1/2x28 Thread 10in Quad Rail Handguard Brake Nitride Anodized

Tiger Rock AR-15 Rifle Build Kit BCG LPK and Stock Kit 5.56mm 17in 16in Barrel M4 A2/Gov Carbine 1x8 1/2x28 10in Quad Rail Handguard Brake Nitride

Aero Precision M4E1 5.56mm NATO 18in M-LOK Upper Receiver Rifle Length 1-7 Twist 1/2x28 15in M-LOK Handguard Gen 2 Cerakote Flat Dark Earth

Aero Precision M4E1 AR-15 5.56x45mm NATO 16in Picatinny Upper Receiver Mid Length Barrel 1-7 Twist 1/2x28 A2 Flash Hider 15in Quad Rail Handguard No

IMI Defense PML G2 30 Round Polymer Magazine Limiter Black

Ar-15 Complete Lower Receiver W/ A5 Buffer & Bcmgunfighter Stock - Complete Lower Receiver W/A5 Buffer & Gunfighter Stock Blk

Luth-AR 18 in Mark 12 kit minus Lower Receiver w/fixed stock Black Rifle

Luth-AR 16 in Light Weight 1-7 kit minus Lower Receiver w/coll. Stock KeyMod Black Carbine

Luth-AR 16 in Light Weight 1-7 kit minus Lower Receiver w/fixed stock M-Lok Black Rifle

Luth-AR 16 in Light Weight 1-7 kit minus Lower Receiver w/fixed stock KeyMod Black Rifle

Luth-AR 16 in Light Weight kit minus Lower Receiver w/fixed stock M-Lok Black Rifle

Luth-AR 16 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x7 twist M-LOK Free Float Handguard Black 16

Luth-AR 11.5 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x7 twist K-Mod Free Float Handguard Black 11.5

Luth-AR A3 Complete Upper Receiver Assembled 16in Lightweight Barrel 5.56mm 1-7 Twist 1/2 x 28 Thread A2 Flash Hider w/ Key MOD Palm Handguard Black

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

Mk1 Mod 2-M Complete Pistol Lower Receiver

ABC RIFLE COMPANY AR-15 Billet Stripped Upper Receiver Cerakote Red

ABC RIFLE COMPANY AR-15 Billet Stripped Upper Receiver Cerakote Bronze

ABC RIFLE COMPANY AR-15 Custom Billet Modular Stripped Upper Receiver Black

ABC RIFLE COMPANY AR-15 .223 5.56 Complete Build 16in Barrel 15in Lightweight Hybrid M-LOK Handguard Upper Receiver 1-10 Twist 1/2x28 A2 Style Muzzle