Lead Star Arms Grunt AR-15 Rifle .223/5.56 15" Handguard

Articlecode: LSA-Grunt-AR15-B
$916.10 USD
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Product information
  • Grunt™ 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™ Lower Receiver (MIL-SPEC): CNC machined from a 7075-T6 aluminum forging for extreme precision and enhanced durability. Laser engraved markings including Lead Star™ logo and multi caliber.
  • 17" and 15” Grunt™ 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 or 4150V or 223 Wylde chambered 1:8 twist with 1/2"-28 muzzle device threads. 300 BO is 1:8 twist, 762x39 is 1:10 twist. 300 and 762 has 5/8x24 thread
  • Gas Block:Micro style steel with black nitride QPQ finish for light weight 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 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 bottom for pinning muzzle brake to barrel. Precision CNC machined steel. Black nitride coating for durability in extreme conditions. 300 BO and 762x39 has A2 flash hider.
  • Grip: Grunt Combat™ Grip. Black with rubber over mold for maximum comfort and weapon control in all conditions.
  • Stock:Leadstar lightweight carbine stock with 6 position adjustment.
  • Magazine:Comes standard with 1 Magpul® 30 Round MOE® PMAG® black magazine.


Please allow additional time for shipping if ordering on back order. Please contact us for current lead times.

This is a serialized item and requires shipment to a FFL (Federal Firearms License) Dealer. Contact your FFL and request your dealer email a copy of their FFL to [email protected] and include your name and order number in the subject line. Order cannot legally be fulfilled until receipt of FFL. If you have any questions about the process of buying a serialized item, please call us and we will be glad to help you.

Please see our Shipping Policy for shipments to AWB states. By proceeding with ordering, you agree to comply with local, state, and federal laws and understand that Lead Star Arms also complies with them.

Article number: LSA-Grunt-AR15-B

Dimensions: 106 x 25 x 12

Weight: 3175

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Lead Star Arms Grunt AR-15 Rifle .223/5.56  15" Handguard
Lead Star Arms Grunt AR-15 Rifle .223/5.56 15" Handguard

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