This Assembly offers an upper from our popular Varmint Exterminator Rifle. This superbly accurate upper is CNC Machined from 7075T6 Aircraft Aluminum with an integral Picatinny Rail that’s ready to accept a wide variety of Rear Sights, Optics, or the A4 Removable Carry Handle. This quality Upper is finished in Hard Black Anodize for a non-reflective matte surface and protection against corrosion and has M4 feed ramps and includes bolt carrier and charging handle assembly. The Bolt is machined of Carpenter 158 steel or 9310 Steel and matched to the Compass Lake specification Chamber for highest possible accuracy. The heavy barrel is matte finished to avoid reflective glare, and is fluted to reduce weight, increase barrel surface and add rigidity. Button rifling is 1 turn in 8 inches – right hand twist for optimum accuracy with a wide range of heavier .223 Rem. / 5.56mm NATO varmint bullets. The muzzle is threaded 1/2 x 28 with end cap installed. This upper assembly comes complete with a 15″ Windham Weaponry Aluminum M-LOK Free Float Handguard with a Magpul M-LOK Bipod Mount and QD sling swivel.
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