18 Heavy Integrally Suppressed Barrel — 416R Stainless

Length: 18″

Material: 416R stainless steel

Profile: HBAR / SOCOM — stiff, match-oriented contour for consistency and heat resistance. 

Gas system: Rifle-length gas (recommended for 18″ .308/AR-10 platforms to reduce gas port erosion and improve timing). 

Gas block: .750″ (0.75″) gas block journal (dimpled for set-screw alignment). 

Twist rate: 1:10 — suitable for stabilizing typical .308/7.62 match and hunting bullets.

Feed ramp: M4 feed ramp in the extension for reliable feeding. 

Muzzle thread: 5/8×24 (standard for many .30-cal AR-10 / .308 barrels; compatible with common .30 cal muzzle devices and suppressor mounts). POF-USA+1

M-LOK Handguard — Slim & Durable

Construction: Anodized aluminum with steel barrel nut for secure fit.

Mounting standard: M-LOK slots for modular accessories.

AR10 (.308 / 7.62×51) Bolt Carrier Group (BCG)

Finish: Salt-bath nitride / nitride for enhanced wear and corrosion resistance.

Testing & inspection: HPT (High Pressure Tested) and MPI (Magnetic Particle Inspected) where specified. 

Bolt: 9310 hardened steel (shot peened / heat treated in premium BCGs). 

Firing pin: 17-4 stainless, heat-treated to H900 spec (common on quality .308 BCGs). 

Assembly: Fully assembled with properly torqued & staked gas key — ready for installation. 

Billet Lower Receiver — 7075-T6 Aluminum

Material & machining: 7075-T6 aircraft aluminum, precision CNC to MIL-SPEC tolerances.

Features: Precision-broached magazine well with beveled feed lips; ambidextrous controls available.

Furniture & Controls

Grip: Hogue beavertail rubberized pistol grip for comfort and control.

Stock: Luth-AR MBA-3 — adjustable cheek riser and length of pull.

Trigger: MIL-SPEC trigger for consistent pulls.

Magazine & Case

Magazine: One 20-round PMAG included.

Case: 42″ hard case for secure transport and storage.

Must ship to NFA dealer.

(Bipod, Scope and Monopod not included).