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Tag Archives: Upper Receiver

Quick and Inexpensive DIY: Easily Colorize your AR-15 Fire Control Roll Marks

Posted on February 12, 2015 by Mike Petrucci

I’m just about done building my first rifle and while there’s still a few finishing touches to add, I thought… View Article

Posted in DIY | Tagged rifle, AR-15, AR15, DIY, do it yourself, Firearm, gun, Lower Receiver, mod, AR, Upper Receiver, paint, crayon, modification, Roll Marks, Engravings, Fire Control | 9 Comments

How to Keep Your AR Running, Part 2: Nomenclature and Cycle of Operation

Posted on April 13, 2010 by The ITS Crew

This entry is part 2 of 3 in the series Keep Your AR Running

Today we’re going to continue our series on Keeping Your AR Running by looking into the AR nomenclature and Cycle… View Article

Posted in Firearms | Tagged Direct Impingement Gas System, AR Nomenclature, AR-15, AR15, Bolt Carrier Group, Cocking Feeding Chambering Locking Firing Unlocking Extracting Ejecting Cocking, Cycle of Operation, Cycle of Operations, DI, Gas Piston, Lower Receiver, M-16, M16, Upper Receiver | 18 Comments

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