Chiappa Firearms M4-22 Upper (.22 LR AR-15)
Updated: January 9th, 2013
Chiappa Firearms is now selling a AR-15 upper chambered in .22 LR. The M4-22 is compatible with all mil-spec AR-15 lowers. It has a 16″ barrel, weights 3.5 lbs and is shipped with two 28 round magazines. The MSRP is $349.
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I purchased on these about 3 months ago. I have 600 CCI mini mags thru it, sitting atop my old Oly upper and not one hiccup. It is fun and accurate as can be.
just got this bore sighted and zeroed ... got a decent group, considering my lousy marksmanship and the fact that I was prone on my front lawn ... I had numerous FTF ... no or very light strike marks on the rim ... when I push the firing pin so that it's flush with the boltface, the firing pin doesn't quite come to the surface, and the spring feels very heavy... so, by way of dumb questions: is this normal?, and if not, can anything be done about it?
Thanks!