Shop 39 Deals on 5mm Remington Rimfire Magnum Lower Receivers

Sons of Liberty Gun Works .223 Remington AR Lower, Black - FCDAMBILR

AR-15 Radian Weapons Builder Kit in Distinctive Radian Gray - Tailored Excellence - R0436

Radian Weapons Model 1 Builder Kit Gray 5.56

FNH FN 15 Complete Lower .223 Remington/5.56x45mm, Black

Sons of Liberty Gun Works .223 Remington AR Lower, Black - STRIPES

Fortis License Gen 2 .223 Remington AR Lower, Black - LM7075GEN2S

Primary Weapons Systems MK1 5.56x45mm AR Lower, Black - 222M100SM1B

Primary Weapons Systems MK1 5.56x45mm AR Lower, Black - 222M100RM1B

Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Black - STS1019

Primary Weapons Systems MK1 5.56x45mm AR Lower, Black - 18M100RM1B

Radian Builder Kit 10" Flat Dark Earth

Radian Weapons Model 1 Builder Kit OD Green 5.56

Alex Pro Firearms Stripped Side Folder LP-SF1, Semi-automatic, Stripped Lower Receiver, 223 Rem/556NATO, Black LP-SF1

Spikes Tactical Spartan Set, Semi-automatic, Matching Lower/Upper Handguard Set, 223 Rem/556NATO, 12 in MLOK Rail, CNC Machined from a 7075 Billet Aluminum, Bronze Battleworn Finish STSB610-M2

Radian Weapons AX556, Billet Upper/Lower Set, Semi-auto, 556 NATO/223 Remington, Ambidextrous, Cerakote Finish, Gray, Includes Radian Talon Ambidextrous Safety, Hammer Pin, 15.5 in MLOK Handguard R0404