Lowers

Franklin Armory Binary AR-Essential Equipped M4-Built Lower Receiver

Shield Arms SA-15 Complete Folding Lower Receiver w/Rifle Stock - Black

Black Rain Ordnance BRO-22 Billet Receiver

Shield Arms SA-15 Stripped Folding Lower Receiver 5.56/300 Folding Billet Black

CMMG Lower Receiver Sub-Assm Mk3/.308WIN Armor Black

TacFire 16" Unassembled .300 Blackout Rifle Build Kit with Lower Parts Kit

Lantac SF15 USR Forged Upper & Lower Set Black