Rock River AR15

March 31, 2007

M4 Rock River

My newest addition is this Rock River Arms AR15. It has a Yankee Hill free float rail system, a national match trigger and a medium gas system which makes it more reliable and is easier on the gun over time. The barrel is 16 inches heavy profile. The trigger pull is just under 4 pounds and is a two stage type. The barrel is a chrome lined Wilson Combat. The chamber is also chrome lined for greater durability and easier cleaning.
My scope is a Leatherwood ART 3×9 (automatic ranging and tracking). This scope is intended for use with the 5.56 or .223 round on the AR platform. I also have an EoTech 512 Holographic sight for use up to 100 yards. Beyond that and the Leatherwood goes on. I’m going to add a front and rear iron sight set as well as a single point sling. Later I’ll probably change the stock for a Vitor type and put a Magpul grip on it.
I have only been out once and shot about 50 rounds. I found that it is shooting approx. a 2 to 2 1/2 inch group at 200 yards. The barrel is factory lapped so it needs no break in time.

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