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Primary Weapons Systems MK2 Mod 1 Complete Upper Receiver .308 Win/7.62 NATO 20" Barrel Long Stroke Gas Piston PWS Free Float Key-Mod Handguard Black

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Primary Weapons Systems
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Upgrade your AR platform .308 with the PWS MK220 Mod 1 complete upper receiver assembly. The MK220 Mod 1 upper features a gas piston operating system design with an adjustable gas block, a KeyMod handguard and free-floated barrel. The PWS Key-Mod hand guard allows you to add Key-Mod accessories or Picatinny rail sections only where you need them. This reduces the width profile and weight of your rifle streamlining your AR10 platform! Take your modern musket to state of the art sporting rifle with the PWS MK220 Mod 1 upper receiver.

Specifications and Features
Primary Weapon Systems MK220 Mod 1 M220RC1B
Complete Upper Receiver
308 Winchester accepts 7.62x51mm NATO
20" Stainless Steel Heavy Profile Barrel
Isonite QPQ Treated Barrel
Button Rifled with a 1:10 Twist
FSC 30 Muzzle Device
PWS Mil-Spec 7075 Aluminum Upper
Long Stroke Gas Piston
4 Position Adjustable Gas Block
PWS Nickel-Teflon Coated Enhanced BCG
PWS 6061 Aluminum Free Float Handguard
Full Length Picatinny Top Rail with Key-Mod
Weight 7 Pounds
Mil-Spec Type III Hardcoat Anodized Finish

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