Description
Polymer80 RL556V3 – Rhino 80% AR15 Lower Receiver and PF940C 80% Pistol Frame (Black Only)
Overview
The Polymer80 RL556V3 – Rhino 80% AR15 Lower Receiver and PF940C 80% Pistol Frame (Black Only) bundle offers a matched set of unfinished frames for builders seeking a unified platform. The RL556V3 Rhino lower receiver is constructed from impact-modified polymer with a reinforced front takedown pin boss and an integrated trigger guard. The PF940C frame is a compact, 80% pistol frame designed for Glock 19 compatible slides and internal parts. Both components are machined to require final milling, drilling, and finishing by the end user. This bundle is offered exclusively in black, with a consistent matte finish across both frames.
Features & Specs
The polymer80 rl556v3 – rhino 80% ar15 lower receiver and pf940c 80% pistol frame (black only) set includes two distinct frames sharing the same manufacturer-specified material properties. The AR15 lower receiver features an flared magazine well, a threaded bolt catch pin pocket, and a rear takedown pin detent channel that is pre-drilled. The pistol frame includes front and rear slide serration cuts, a textured grip surface, and a universal rail system for lights and lasers. Both frames are listed under the Polymer80 Frames category in our inventory.
- RL556V3 Rhino Lower: 80% completion level; requires jig for trigger pocket and fire control group pin holes; compatible with mil-spec AR15 upper receivers and LPKs; uses standard buffer tube threads.
- PF940C Pistol Frame: 80% completion level; requires drilling for trigger housing pin, locking block pin, and slide lock spring channel; accepts Gen 3 Glock 19 slide and barrel assemblies.
- Material & Finish: Black polymer with glass-fiber reinforcement; matte surface texture; corrosion-resistant; weighs 7.8 oz (AR lower) and 2.3 oz (pistol frame) as shipped.
Who It’s For
This bundle is intended for experienced DIY builders who possess the tools, workspace, and technical knowledge to complete 80% frames. The polymer80 rl556v3 – rhino 80% ar15 lower receiver and pf940c 80% pistol frame (black only) is suited for individuals constructing a matched pair of polymer platforms for personal use. It is not recommended for first-time builders without prior experience using jigs, end mills, or drill presses. These frames require approximately 2-4 hours of detailed machining per unit. You must verify that your state and local laws permit the possession and completion of 80% frames before purchasing.
- Builders planning to assemble both an AR15 rifle and a compact pistol from 80% components
- Users who prefer a consistent black finish across multiple platforms
- Individuals who already have access to a Polymer80 jig set or equivalent tooling
Shipping & FFL
Because this product is an 80% frame set, it is classified as a non-firearm by the ATF and does not require transfer through a Federal Firearms License (FFL) holder. However, shipment is restricted to addresses within the United States. We do not ship to post office boxes. Upon completion, the finished firearm must comply with all federal, state, and local regulations, and you must be legally eligible to possess a firearm. It remains your sole responsibility to understand and abide by the laws in your jurisdiction. No FFL is required for delivery of the polymer80 rl556v3 – rhino 80% ar15 lower receiver and pf940c 80% pistol frame (black only), but signature on delivery is mandatory for all frame shipments.
- Ships directly to your residence or business address (no FFL needed)
- Signature required at delivery
- Cannot ship to restricted states or municipalities where 80% frames are prohibited




Reviews
There are no reviews yet.