Builder's Kit - Grunt AR-15 with 12" Grunt Handguard (Black)

LSA-NR8NF3NF



Build a Grunt AR-15 into any configuration with our Builder's Kits. Includes our Ravage Extended Charging Handle Latch when you buy the kit. Now you have the freedom to choose your own trusted parts and build the rifle of your dreams!
Total kit weight: 1.6 lbs

Upper Receiver

  • Fully CNC machined from 7075-T6 billet aluminum for extreme precision and enhanced durability.
  • Flat top picatinny design for versatility in mounting optics and other enhanced components.
  • CNC engraved numbered rail system for indexing.
  • M4 feed ramps and single feed ramp for large AR-15 calibers for added reliability.
  • Type III Class 2 hard coat anodized.
  • Compatible with MIL-spec lower receivers.
Lower Receiver

  • Fully CNC machined from 7075-T6 billet aluminum for extreme precision and enhanced durability.
  • Front magwell grip surface designed for the operator to grip and maintain weapon control even in the most extreme conditions.
  • Beveled magwell entry allows faster magazine changes.
  • Tension device to increase rigidity between upper and lower receivers.
  • Built in trigger guard eliminates the need for a flip down trigger guard.
  • Type III Class 2 hard coat anodized.
  • Compatible with MIL-spec upper receivers.
12" Grunt Free Float

  • Precision CNC machined 6061-T6 aluminum.
  • Unique design offers ultra capture around the barrel nut eliminating the requirement for anti-rotation tabs.
  • Eliminates harmonics from attached accessories, greatly improving weapon accuracy.
  • Full length picatinny CNC engraved numbered rail at the 12 o'clock position.
  • 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.
  • Includes barrel nut, shims, mounting screws and barrel nut wrench.
  • Type III Class 2 hard coat anodized.
Ravage Extended Charging Handle Latch

  • Unique design geometry produces a faster release and a linear pull, one of the most cost effective and best enhancements you can make to your AR.
  • Extended design allows easier charging with added optics and sights.
  • High strength for added reliability under extreme conditions.
  • Precision CNC machined aluminum.
  • Designed for use with all standard/MIL-SPEC AR-15 charging handles.
  • Weighs only 0.3 oz.
  • Type III Class 2 hard coat anodized.
  • Includes stainless steel coil spring pin that offers greater strength over standard roll pins for increased reliability.

 



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