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Gorilla Machining AR-15 - 5.56/.223 Stainless Steel 8" Nato -Gen 2- Kit

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On sale $399.99 $299.99
AR-15 5.56/.223 Stainless Steel 8" Nato Gen 2 kit
Part Number: GM-5.56SSkit-1
Availability: Out of Stock
  • 8" Carbine length Barrel
  • 416R Stainless steel
  • GM M-LOK Free Float HandGaurd 7.5"
  • 5.56/.223 Nato Chamber
  • Lite weight profile barrel
  • Stainless Finish
  • 1:7 Twist rate
  • M4 Feed ramps
  • A2 Flash Hider
  • GM Free Float 7.5" HandGaurd  
  • Cerro or Anchor Harvey Forged Upper Receiver
  • M16 Bolt Carrier Group 
  • Carpenter 158® Bolt
  • 7075 T6 Billet Charging Handle
  • GM-15 Resistance Lower Build Kit Gen 2

Barrel: 416R Stainless Steel, 7.5" barrel length Chambered in 5.56/.223 Nato , with a 1:7 twist, M4 barrel extension, and a Pistol length gas system. The Lite weight profile barrel is Heat treated for durability. Barrel is finished off with an .750" diameter Free Float handguards and an A2 flash hider.

Upper: Anchor Harvey or Cerro Forged 7075-T6 A4 AR-15 upper is hard coat anodized black for durability. Featuring M4 feedramp cuts, T-marks, these upper upper receivers are made for us right here in the USA.

Bolt Carrier Group: For AR-15 and M16 rifles and carbines. Bolt is made of shot-peened, Mil-spec Carpenter 158® steel. Gas key is secured with grade 8 fasteners and staked. Bolt carrier is parkerized outside and chrome lined inside. Includes Charging Handle.

Lower Build Kit: Includes the GM-15 Resistance Lower Build Kit Gen 2 and a Pistol Buffer Tube Kit Complete with a MIL-SPEC buffer.  Everything you need to complete your lower receiver.


Our products carry a lifetime, no questions asked, warranty. Simply put... Should any of our products fail, return it to us for a brand new replacement.

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