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Gloves 12-23-2011 05:17 PM

.22 LR Conversion kit
This conversion might be too in-expensive to pass up.

Has anyone tried this drop-in .22 LR AR-15 kit?
Commerical Marketing (CMMG) 10235 ARC22 AR-15 22lr Conversion Kit SS 22 26 Round 10235 -

Or is it too good to be true and it's more hassle at the range than it's worth?

king1138 12-23-2011 08:59 PM

A friend of mine has that kit on his AR. I haven't shot it, but he's reported good quality. I'm sure someone else with chime in with more info shortly, but at that cost I wouldn't have a problem getting it.

FCross7 12-23-2011 09:55 PM

The only problem with .22lr conversion kits is the twist rate on AR barrels. They're much too fast for the .22, causing it to overspin. Within 25 yards it's no big deal, outside of that range, they can be very inaccurate.

For just plinking around with, they're fun and cheap, but don't expect great accuracy.


Car54 12-23-2011 10:10 PM

Get the stainless model, keep it lubed, and use decent ammo.

theboarbuster 12-23-2011 10:24 PM

I have 2 of the cmmg stainless kits and I have put thousands of rounds through them.
I have one for my 16" ar and one for my ar pistol. They both work great. I use them to train my two boys to shoot. I have not had any feeding problems with mine. They are good cheep fun:D

Gloves 12-23-2011 10:50 PM

BoarBuster, did you find any truth to what Fred said about the twist rate?
My Spikes upper is 1 in 7" twist.

If they are inaccurate past 25 yards, i might as well save my pennies for a .22 pistol.

I like the training aspect you mentioned.

Q: how is there enough gas to cycle the bolt?

theboarbuster 12-23-2011 11:01 PM

Mine will shoot under 2" groups at 50 yards with a 1-9 twist. I think the cmmg kits are recoil operated. Mine recomended the federal hp bulk ammo. I use the 550 rd box from
wally world. My 2 boys fired 1500rds in one day with less than 10 ftf's. The gun was bleeding gunk but it was still working fine. They are good practice for big kids too:D
get plenty of extra mags.

Powersportgiant 12-24-2011 02:28 AM

I have been on the fence about getting one of these kits as well. As much as I'd love to pick up an M&P 22, it's grad to beat this price. All my research is good on these, accuracy is not "as good" as a true .22LR but still good. That's good enough for me for playing around. I have a marlin model 60 for long distance .22 shooting. I say go for it, I'll be picking one u first of the year I'm sure.

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