Quality AR 15 uppers, AR15 parts, AR-15 rifle manufacturer. Friday Harbor, WA
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18" 5.56mm Socom 1/9 Me Mk II SDX Rail Lightweight Rifle
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Original Price $999.99
Your Price $799.99
 This Competition Light Weight Rifle 18" 1/9 twist mid-length gas system with adjustable gas block! Built with the toughest barrel steel on the market 4150CMV and nitrogen stress relieved for superior accuracy. Featuring a 15" SDX MkII giving you the room to stretch out and get the best stability for your course of fire. Whether your running three gun or schooling someone at the local range this 7lb rifle sets you up for success right out of the box.

Competition Lightweight 18" 5.56mm Rifle:

  • Hardened Arms M4 Feed Ramp Flat Top Receiver
  • Hardened Arms Mil-Spec 7075 Forged Lower
  • Feed ramps for increased feeding reliability on barrel and upper
  • 4150CMV 5.56mm Nitrogen Stress Relieved Barrel
  • 1/9 Barrel Twist
  • Chambered in 5.56 NATO (will also fire .223 ammo)
  • 18" Socom Mid-lenth barrel with M4 Extension
  • .750" diameter at Adjustable gas block
  • 1/2x28 threaded muzzle/barrel
  • Barrel dimpled to secure gas block
  • Mid-length adjustable gas system
  • Hardened Arms 15" SDX Mk II M-Lok Slim Rail
  • Fixed Skeleton Rifle Length Stock
  • Mil-Spec Metal Parts Kit Installed
  • Weights 7.2 pounds
  • Works with all standard AR15 magazines (Does not come with Magazine)

(Optic, Magazine, Raptor Charging Handle available at additional charge. Not included with base rifle)

515 Tucker Ave, Friday Harbor, WA 98250 | sales@hardenedarms.com
Phone: 425-530-0837