Lower Parts

Geissele Automatics Lower Parts Kit - No Grip & Fire Control Group Whether you're assembling a new rifle or upgrading an existing lower, this kit delivers the trusted performance Geissele is known for. Designed to meet and exceed Mil-Spec standards,...

Global Ordnance UFS 1913 Universal Folding Stock - FDE A rugged, highly adaptable solution designed for shooters who demand flexibility, durability, and precision fitment. Engineered to mount seamlessly to any rear 1913 Picatinny rail back plate, this...

Global Ordnance UFS 1913 Universal Folding Stock - Black A rugged, highly adaptable solution designed for shooters who demand flexibility, durability, and precision fitment. Engineered to mount seamlessly to any rear 1913 Picatinny rail back plate, this...

AS Designs MCX / MPX Slip Trip Kit Unlock advanced trigger system compatibility for your platform with the MCX / MPX Slip Trip Kit, engineered to enable reliable operation with Super Safety and ARC-Fire systems on supported MCX and MPX variants. Designed...

AS Designs ARC-Fire Trigger - Ambidextrous Kit Take your platform to the next level with the AS Designs ARC-Fire, an advanced ambidextrous selector trigger system engineered around patent-pending Active Reset Clutch (ARC) technology. Built for shooters...

CMMG MK4 Stripped Lower Receiver - Black Start your next AR-15 build with a proven foundation. The CMMG MK4 Stripped Lower Receiver is precision machined from forged 7075-T6 aluminum, delivering true mil-spec strength, durability, and compatibility...

Velocity Precision MPC Single Stage 3 lbs Trigger - Straight Serrated Flat Face The Velocity MPC Trigger takes everything shooters love about Velocity’s match‑grade, single‑stage drop‑in triggers and adds a new level of customization and ergonomics...

Velocity Precision Classic AR Single Stage 3 lbs Trigger - Straight with Finger Stop The Velocity Trigger delivers the kind of crisp, consistent performance that transforms any AR‑platform rifle into a precision machine. Built as a single‑stage,...

Velocity Precision Classic AR Single Stage 3 lbs Trigger - Curved The Velocity Trigger delivers the kind of crisp, consistent performance that transforms any AR‑platform rifle into a precision machine. Built as a single‑stage, match‑grade drop‑in...

Velocity Precision 9mm PCC Single Stage Trigger - Fits AR-15/MPX - Straight with Finger Stop The Velocity Classic Straight with Finger Stop 9mm/PCC Trigger is engineered for shooters who demand precision, speed, and absolute reliability from their...

Luth-AR Carbine Lock Ring / Castle Nut Built to deliver dependable strength where it matters most, this Carbine Lock Ring / Castle Nut is a rugged, no‑nonsense component engineered to keep your carbine‑style rifle solid and secure. Machined from durable...

Centurion Arms MK11 Ambidextrous 7.62 Billet Lower Receiver - RAL 8000 The Centurion Arms C4 7.62 Billet Lower Receiver is the ultimate foundation for your large-frame AR build. Precision CNC-machined from billet 7075-T6 aerospace-grade aluminum and...