AR-15 Parts

Belt Fed Upper - Collapsing PARA Style Buttstock

Belt Fed Upper - M249 Style "CLUBFOOT" Buttstock

Complete barrel assembly for use with MCR® uppers and our new Belt Fed Upper receiver. Compatible with both systems.  (Delivery in...

Complete barrel assembly for use with MCR® uppers and our new Belt Fed Upper receiver. Compatible with both systems. . This...

Cryostructure Upper Gas Piston 17-4 Stainless Steel for our belt fed upper  

DIAS COMPATIBLE - 100 % Lower with custom machined to fit M249 feed bag & Nut-Sack attachments. Forged by CERRO...

Raw 80 Percent Lower with custom machined M249 feed bag attachment Machined by Cryostructure, this 80 percent lower is not...

CERRO Black Anodized 80 Percent Lower Forged & Machined by CERRO, this 80 percent lower is not an FFL item...

Ambi bolt release cut - Extremely rare on 80% lowers Also known as 80% machined (just needs trigger and safety...

High Beavertail Hogue Pistol Grip 7075-T6 CERRO Keyhole forged receivers milled out to the M16 spec in coated in premium...

Cosmetically blemished Small items did not get nitrided to the stainless steel.  This is the worst example of the lot.

Manufacturer: CERRO Forging / CRYOSTRUCTURE machined Model: AR-15 / M4 / M-16 Caliber: .223 / 5.56 NATO Finish: RAW ALUMINUM Sights: Picatinny Rail...