The Lead Star Arms ultralight series of duty firearms are equipped with features normally only found on higher-priced models. Engineered for best-in-class performance with our distinctive aesthetics. The Grunt AR-15 Pistol features a 10.5" barrel with a lightweight 11" handguard to give a streamlined look. Outfitted with a Lead Star Grunt Combat Grip, LSA Compensator, and a Lead Star lightweight 6-position Carbine Stock the Grunt AR-15 Rifle is everything you could want in an AR Rifle.Features:Grunt(TM) Upper Receiver (MIL-SPEC): CNC machined from a 7075-T6 aluminum forging for extreme precision and enhanced durability. Flat top Picatinny design for versatility in mounting optics and other enhanced components. M4 feed ramps for added reliability. Grunt(TM) Lower Receiver (MIL-SPEC): CNC machined from a 7075-T6 aluminum forging for extreme precision and enhanced durability. Laser engraved markings including Lead Star(TM) logo and multi-caliber. 11" Grunt(TM) Handguard: CNC machined from 6061-T6 aluminum for extreme precision and enhanced durability. Eliminates harmonics from attached accessories greatly improving weapon accuracy. Four Picatinny slots at the 12 o’clock position for mounting back up sights. M-LOK slots at the 3 and 9 o’clock positions and full-length M-LOK at the 6 o’clock position for mounting only the Picatinny rail needed or accessories. Designed for compatibility with 10.5" barrels. Barrel: 10.5" 4150V 5.56 NATO chamber. 1:7 Twist with 1/2"-28 muzzle device threads. Gas Block: Micro-style steel with black nitride QPQ finish for lightweight and increased durability. Bolt Carrier Group: M16 profile with black nitride QPQ finish and properly staked gas key. Carpenter C-158 black nitride QPQ finish bolt for maximum dependability. Gas System: Direct impingement with carbine length gas system to reduce recoil and minimize wear on moving parts. Muzzle Device: Ravage(TM) Linear Comp. Greatly mitigates muzzle concussion by effectively capturing and redirecting muzzle gasses away from the shooter. Enhanced design dramatically reduces perceived decibels. Control of muzzle concussion creates an enhanced experience for shooters and bystanders. Grip: Grunt Combat(TM) Grip. Black with rubber over-mold for maximum comfort and weapon control in all conditions. Brace: SB Tactical SBA3 Adjustable Brace, Black Magazine: Comes standard with 1 MagpulA(R) 30 Round MOEA(R) PMAGA(R) black magazine. Palmetto State Armory is your top supplier of Modern Sporting Rifles, Parts, Accessories, and Ammunition at the best prices around!