Product Description
This Receiver Extension Is Designed To Work With Mil-spec Dimensioned M4/ar-15 Type Collapsible Stocks. It Also Can Be Utilized As A Replacement Receiver Extension For The Ar-10 Rifle.features :
- six Position Receiver Extension Made From Impact Extruded 7075 T6 Aluminum
- hard Coat Anodized
- positions Are Numbered And Are Visible Through The Witness Hole On Most Stocks
- snag-free Sliding Of The Buttstock