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Mil-Spec flat top upper receiver with Stern Defense laser engraved dust cover and forward assist. Machined from 7075-t6 aluminum and hard-coat anodized. Mil-spec dry film lube in the bore.
Receiver.…
This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style rifles to be retrofitted to HKs piston and pusher rod system. This system utilizes a piston and a pusher.…
Attention Account Holders:
We’ve just launched our brand-new website! For security reasons, all existing customers will need to reset
their
passwords before logging in. Please click “Forgot
Password” on the login page to set a new one.