Selling a custom, turnkey bufferless piston rifle built with top-tier components. This is a factory 13.9" upper pinned and welded to reach a legal 16"+ overall barrel length—it is completely non-NFA compliant with zero NFA paperwork required. Folds down ultra-compact and runs completely flat with the internal dual-guide-rod piston system.

Upper Receiver Assembly:

• Upper: Factory Brownells / PWS BRN-180 Gen 3 (.223 Wylde / 5.56 NATO).

• Barrel: 13.9" barrel with a 1:8 twist.

• Muzzle Device: Pinned and welded (P&W) to meet permanent 16"+ legal non-NFA rifle length.

• Operating System: Short-stroke gas piston with dual internal guide rods (no buffer tube required).

• Handguard: Gen 3 M-LOK handguard with side-access cutout for easy gas adjustment. Finished in a custom field rattle-can / desert camo finish.

• Factory Wiper: Factory rubber ejection port/charging handle debris wiper intact and in great shape.

Lower Receiver Assembly:

• Lower: American Defense Manufacturing (ADM) UIC-180 Billet Lower Receiver. Purpose-built for the BRN-180 platform with a native rear 1913 Picatinny rail interface.

• Ambi Controls: Fully ambidextrous right-side bolt catch/release and ambidextrous mag release.

• Fire Control Group: TriggerTech AR-15 Duty 2-Stage Flat Trigger (crisp, zero-creep match break).

• Stock: Midwest Industries Alpha Series 1913 side-folding stock with adjustable cheek riser (solid lockup, folds clean to the left).

• Grip & Safety: B5 Systems P-Grip 23 and upgraded ambidextrous safety selector.

Condition:

Low round count, well-maintained, and completely tuned. Clean bore and clean bolt face.

Terms of Sale:

• Cash only (no trades).

• Face-to-face transaction in the West Valley / Phoenix metro area.

• Must be an Arizona resident (21+) with a standard bill of sale completed at the time of transfer.