Polymer80 RL556V3 – RHINO 80% AR15 Lower Receiver and PF940C 80% Pistol Frame (Black Only) | Polymer80 For Sale – Polymor 80 Inc

Get started with two projects in one kit: the Polymer80 RL556V3 RHINO 80% AR15 lower and PF940C 80% pistol frame, both in black. Perfect for DIY builders seeking versatility and quality in firearm construction.