Luth-AR 16 in Light Weight Kit Minus Lower Receiver W/Coll. Stock, M-Lok, Black, Carbine, rkl-16-3m

Luth-AR 16 in Bull Rifle Kit Minus Lower Receiver W/Fixed Stock, M-Lok, Black, Rifle, rkb-16-1m

Wilson Combat Small Parts Lower Receiver Kit, AR-15 Billet, TR-LOWERK-B15

Luth-AR Lower Receiver Parts Kit - .308, LRPK-308

Daniel Defense AR-15 Lower Receiver Parts Kit, Semi-Auto

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, Manganese Phosphate, Black, RKM12-18-1

Luth-AR Lower Receiver Parts Kit - AR15, LRPK-1

Wilson Combat Lower Receiver Small Parts Kit, AR-Style, TR-LOWERK

Luth-AR 18 in Bull Rifle Kit Minus Lower Receiver W/Fixed Stock, M-Lok, Black, Rifle, rkb-18-1m

Evolution Gun Works EVOLVED AR Lower Receiver Parts Kit, Black, 30001

Strike Industries AR-10 Enhanced Lower Receiver Parts Less Trigger, Hammer And Disconnector, Black, One Size, SI-AR10-E-LRPLT

Luth-AR Bull Rifle Kit Minus Lower Receiver W/Fixed Stock, .223, 26In, 16In, Bull, Carbine, 1X9, 1/2X28, Picatinny, Key MOD, A2 Flash Hider, Anodized, Manganese Phosphate, Silver/ Black, RKB-16-1

JL Billet AR-15 80% Lower Receiver, Ambidextrous, Type III Hardcoat Anodized, Black, JLB-AR15-80-B

Manufacturing Fortis Enhanced Lower Parts Kit For AR-15, Black, ENH-LPK-AR15

Luth-AR Bull Rifle Kit Minus Lower Receiver W/Fixed Stock, .223, 29In, 20In, Bull, Rifle, 1X9, 1/2X28, Picatinny, Key MOD, A2 Flash Hider, Anodized, Manganese Phosphate, Silver/ Black, RKB-20-1

Aero Precision Lower Parts Kit, AR-15, Magpul MOE SL, Anodized Black, APRH100966

Luth-AR Bull Rifle Kit Minus Lower Receiver W/Fixed Stock, .223, 31In, 24In, Bull, Rifle, 1X9, 1/2X28, Picatinny, Key MOD, A2 Flash Hider, Anodized, Manganese Phosphate, Silver/ Black, RKB-24-1

KE Arms .308 Lower Receiver Partskit, 1-50-02-300

Guntec USA AR .308 Enhanced Complete Lower Parts Kit, Black, LPK-308-ENH

Aero Precision Lower Parts Kit, AR-15, Magpul MOE SL, No Fire Control Group/Trigger, Flat Dark Earth, APRH100983

Guntec USA AR-15 Complete Lower Parts Kit W/A2 Pistol Grip, Black, LPK-A2

Smith & Wesson AR-15 Complete Lower Parts Kit, 1085634

Guntec USA AR-15 Enhanced Lower Parts Kit W/ Upgrades, Anodized Purple, LPK-ENH-PURPLE

Stag Arms AR-10 Stag 10 Lower Parts Kit, Left Hand, STAG310741

Aero Precision AR15 Enhanced Lower Parts Kit, Black, APRH100301C