5.56x45mm NATO Lower Receivers

Anderson AM-15 Forged AR15 Matched Receiver Set

FOSTECH TOMCAT AR PISTOL HGA 5.56 PATRIOT BR ECHO II TRIGGER FOS-LITE UPPER &LOWER NITRIDE BOLT CARR

FOSTECH TOMCAT AR PISTOL HGA 5.56 BLACK ECHO II TRIGGER FOS-LITE UPPER &LOWER NITRIDE BOLT CARR

Griffin Armament MK2 Ambi Complete Pistol Lower w/ SBA3 Brace, Terra Brown

Griffin Armament MK1 AR-15 Complete Lower Receiver w/ SBA3 Brace, Black

Zeus Artemis Stripped Billet Lower Anodized 5.56

Andro Corp Industries ACI-15 Forged Receiver Set with 7.25" MLOK Handguard Flat Dark Earth

Andro Corp Industries ACI-15 Forged Receiver Set with 15" MLOK Handguard Black

Andro Corp Industries ACI-15 Forged Receiver Set with 9.25" MLOK Handguard Black

Andro Corp Industries ACI-15 Forged Receiver Set with 15" MLOK Handguard OD Green

Andro Corp Industries ACI-15 Forged Receiver Set with 9.25" MLOK Handguard OD Green

Andro Corp Industries ACI-15 Forged Receiver Set with 4.25" MLOK Handguard Flat Dark Earth

Andro Corp Industries ACI-15 Forged Receiver Set with 9.25" MLOK Handguard Flat Dark Earth

Andro Corp Industries ACI-15 Forged Receiver Set with 15" MLOK Handguard Flat Dark Earth

LanTac Raven 2 Billet Receiver Set Multi-Cal Upper/Lower Set

LanTac Raven 2 Billet Lower Receiver Multi-Cal

Reap Weaponries SCY Flat Trigger 5.56x45mm NATO AR-15 Carbine Conversion Black

FOSTECH STEALTH BUILDERS KIT STRIPPED UPPER LOWER AND MACH-2 10IN RAIL MATCHED SET FDE

FOSTECH STEALTH BUILDERS KIT STRIPPED UPPER LOWER AND MACH-2 13IN RAIL MATCHED SET FDE

BUSHMASTER A2 5.56 NATO Receiver

BUSHMASTER Complete Lower 223 Rem/5.56 NATO Matte Black

BUSHMASTER A2 Built Complete 5.56 NATO AR15 Lower Receiver | Black

BUSHMASTER XM15-E2S Multi Lower Matte - Black

BUSHMASTER BFSIII Built Lower Receiver w/ 30rd Mag - Black