Lower Receivers

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 Chrome Moly Steel Barrel 1-7 Twist 7in M-LOK Free Float Hand Guard A2

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 Moly Steel Barrel 1-7 Twist 7in M-LOK Free Float Hand Guard A2 Flash

Ghost Firearms Upper Receiver Pistol Lower Parts Kit .300 Blackout 7.5in Pistol Moly Barrel 1-8 Twist 7in M-LOK Free Float Hand Guard A2 Flash Hider

Ghost Firearms Upper Receiver Pistol Lower Parts Kit .300 Blackout 7.5in Pistol Moly Barrel 1-8 Twist 7in M-LOK Free Float Hand Guard A2 Flash Hider

Ghost Firearms Upper Receiver Pistol Lower Parts Kit .300 Blackout 7.5in Pistol 4150 Moly Steel Barrel 1-8 Twist 7in M-LOK Free Float Hand Guard A2

Ghost Firearms Upper Receiver Pistol Lower Parts Kit .300 Blackout 7.5in Pistol Moly Barrel 1-8 Twist 7in M-LOK Free Float Hand Guard A2 Flash Hider

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 9mm 9x19 Para 16in Carbine Light HBAR Barrel 1-10 Twist 14in M-LOK Freefloat Handguard A2 Muzzle

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 9mm 9x19 Para 16in Carbine Light HBAR Barrel 1-10 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 9mm 9x19 Para 16in Carbine Light HBAR Barrel 1-10 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Butt Stock 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle Device

Ghost Firearms Complete Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Butt Stock 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm 10.5in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard Flash Can

Ghost Firearms Upper Receiver Pistol Lower Parts Kit .300 Blackout 10.5in Pistol Light HBAR Barrel 1-8 Twist 11in M-LOK Freefloat Handguard Flash Can

Geissele Automatics Geissele Super Duty 5.56 NATO 10.3" 1:7" CHF Bbl DDC Pistol 08-186SP

Franklin Armory Libertas Stripped Billet Lower Receiver

Franklin Armory 2012 BFS Marked Stripped Lower Receiver

Franklin Armory BFSIII Binary Trigger Equipped Libertas Lower Receiver w/ B5 Sopmod Stock - 00-20018-BLK

Franklin Armory - BFSIII M4 - Complete AR-15 Lower, M4 Stock, A2 Pistol Grip, 30 Rd Mag, Binary Trigger Factory Installed, Black Anodized Finish, - 00-20016-BLK

Complete Hybrid Mike-9 9mm Lower Receiver - Complete Hybrid Mike-9 Lower Receiver

Ar-15 Mike-9 Complete Billet Rifle Lower Receiver

Ar-15 Mike-45 Complete Billet Rifle Lower Receiver

Ar-15 Mike-45 45acp Billet Lower Receiver Stripped - Ar-15 Mike-45 45 Acp Billet Lower Receiver Stripped Black

Foxtrot Mike-102 556 G2 Bufferless Lowers - 556 G2 Bufferless Lower Folding Adapter W/Thrill Grip

Foxtrot Mike-102 556 G2 Bufferless Lowers - 556 G2 Bufferless Lower Pic Rail Adapter W/Thrill Grip