Description
The Adams Arms Piston Upper Receiver comes with:
- M4 Feed Ramps
- Type III Hard Coat Anodyzing with a dry film lube
- T Marked Picatinny Rails
- Receiver hole has been cut to .180″ eliminating the need for a receiver bushing
- Cam Pin channel is cut to a 45 degree angle to eliminate Cam Pin wear
- Weight: 8.57 oz.
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