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Mine runs perfect. But i have heard of people needing to tune theirs. This is the first i have heard of one going auto.
This has me worried. My upper just shipped from Spike's the other day.![]()
Last edited by ghost762; 04-03-09 at 07:48.
Rock River Arms Tactical CAR A4, S&W Bodyguard .380, S&W Model 410 .40 cal, S&W M&P22
S&W M&P 40, Custom .22LR AR, Mossberg 500
Shihan,
thanks for sharing your experience. i have a .22LR spike's upper and the conversion .22LR barrel for my LMT MRP. both run like champs after a bit of tuning the spring, and i've never had a slam fire like that.
however, your experience is a great reminder to always point your weapon in a safe direction, because who knows when your firing pin might have a burr or get stuck from dirt, and the next time you load a .22LR round into the chamber it goes off.
I just got my Upper today. Nice setup, just kind of worried that the bolt doesent slam home all the way when chambering a round and the slide stop does not work.
Last edited by ghost762; 04-09-09 at 22:14.
Rock River Arms Tactical CAR A4, S&W Bodyguard .380, S&W Model 410 .40 cal, S&W M&P22
S&W M&P 40, Custom .22LR AR, Mossberg 500
mine works great ! love it. cheap training.
I just lubed the bolt with some gunners oil. It seems to work a little better. The bolt still will not lock in the back position with the bolt release lever. It might be my RRA lower not quite working with the new upper. I'm going to shoot it this weekend and see what happens.
Rock River Arms Tactical CAR A4, S&W Bodyguard .380, S&W Model 410 .40 cal, S&W M&P22
S&W M&P 40, Custom .22LR AR, Mossberg 500
Mine runs great with Federal bulk pack but nothing else. I can live with that. Its also been safe.
Pat
Serving as a LEO since 1999.
USPSA# A56876 A Class
Firearms Instructor
Armorer for AR15, 1911, Glocks and Remington 870 shotguns.
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