5.56x45mm NATO Lower Receivers

Mike-102 Stripped Lowers - Mike-102 Stripped Lower Receiver 5.56mm

Mike-102 Stripped Lowers - Mike-102 Stripped Lower Receiver W/Pic Rail 5.56mm

Mike-15 Stripped Lowers - Mike-15 Stripped Lower Receiver W/ Pic Rail 5.56mm

Mike-15 Stripped Lowers - Mike-15 Stripped Lower Receiver 5.56mm

Mike-15 Gen 2 Bufferless Lower - Foxtrot Mike-15 G2 Bufferless Lower,Zhukov Stock W/Moe Grip

Mike-15 Gen 2 Bufferless Lower - G2 Bufferless Lower, Picatinny Rail Adapter W/Thrill Grip

Iflr Lower Receiver & Billet Lower Receiver Set - 17 Design Iflr And 17 Design 2x Billet Lower Receiver Set

Ke-15 Forged Mil-Spec Complete Lower Receiver 5.56mm

Ke-15 Billet Stripped Lower Receiver W/ Flared Mag Well 5.56mm - Ke-15 Billet Stripped Lower Receiver W/ Flared Mag Well

Ke-15 Forged Stripped Lower Receiver - Ke-15 Forged Stripped Lower 5.56mm

Velocity Ar-15 3lb Trigger W/ Free Lower Parts Kit - Velocity 3-Lb Curved Ar-15 Trigger W/ Free Lower Parts Kit

Ar-15 Gi Lower Parts Kit With Adjustable Stock Assembly - Ar15 Gi Lpk W/Adjustable Stock Assembly

Ar-15 M16 A1 Lower Receiver - Ar-15 M16 A1 Lower Receiver Black

Ar-15 Xm16e1 Lower Receivers - Xbrn16e1 Lower Receiver Black

Dirty Bird Industries Sand-Cut Bolt Carrier Group .223/5.56 - DLC

Strike Industries AR-15 Enhanced Lower Build Kit for .223/5.56 - Black

Colt Police Trade M4 Carbine Lower Receiver Assembly - LE Code

LEO Trade Bushmaster XM15-E2S Lower Receiver

Colt M4 Commando Lower Receiver - Auction

Colt M4 Carbine Lower Receiver Assembly - No Trigger Guard

Colt M4 Carbine Lower Receiver Assembly 6 Pos

AM-15 Lower Receiver - Auction

Colt M4 Commando Lower Receiver Assembly - LE Code

Colt SCW Carbine Lower Receiver Kit