CUSTOM PAINTED ITEMS FROM PSA CUSTOM MAY HAVE BLEMISHES AND/OR DIFFERENCES FROM PICTUREThe 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 Rifle features a 16" barrel with a lightweight 17" handguard to give a streamlined look. Outfitted with a Lead Star Barrage Grip, LSA Linear 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. 17" 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 16" barrels. Barrel:16" 4150V 5.56 NATO chamber. 1:7 Twist. 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 the maximum in dependability. Gas System: Direct impingement with a mid-length gas system to reduce recoil and minimize wear on moving parts. Features black nitride QPQ finish gas tube for reducing signature and increased resistance to heat. Muzzle Device: Enhanced design compensator dramatically reduces recoil. Unique geometry minimizes muzzle rise for faster follow-up shots. Pre-drilled on the bottom for pinning muzzle brake to the barrel. Precision CNC machined steel. Black nitride coating for durability in extreme conditions. Grip: Barrage Grip. Black with reinforced impact-resistant polymer that provides maximum comfort and weapon control in all conditions. Stock: Lead Star lightweight carbine stock with 6 position adjustment. Magazine: Comes standard with 1 MagpulA(R) 30 Round MOEA(R) PMAGA(R) black magazine.