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CMMG ARC-22 .22 LR Conversion Kits

   

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Caliber/Gauge
Description
Firearm Model
Other specs Quantity Price & availability

.22 LR

Kit

AR-15

Product Color:
Stainless Steel

Size:
25 Rounds
  • $219.99

  • SKU: 1887715

  • Available for Backorder
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.22 LR

Kit

AR-15

Product Color:
Stainless Steel

Size:
10 Rounds
  • $239.99

  • SKU: 1887716

  • In Stock
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  • Converts 5.56 MSR to .22 LR rifle
  • Easy to install - switches caliber of gun in less than 30 seconds
  • Swaps AR-15 bolt carrier with drop-in converter
  • Save money - .22 LR ammo is a tenth the price of standard 5.56 rounds
  • Magazine features bolt hold open follower
Save money without a bunch of hassle by converting your 5.56 MSR to a .22 LR rifle with a CMMG ARC-22 .22 LR Conversion Kit.  This easy to install kit swaps out the bolt carrier group of your high performance AR-15 with a drop-in converter that works smoothly with the kit's replacement magazine.  With a switchout that takes less than 30 seconds, you can soon be firing ammo that's a tenth the price of standard 5.56 rounds through your AR-15 so you can save significant money while continuing to enjoy your MSR. All CMMG .22 LR magazines have a bolt hold open follower. Choice of phosphate-treated steel action or stainless steel action with stainless steel chamber adapter.

NOTE: Ten round kits come with Evolution magazine as shown with blue finish. 25 round kits come with standard magazine as shown with stainless steel finish.
CMMG ARC-22 .22 LR Conversion Kits 4.6 5 46 46
Works great Shot 700+ rounds out of it so far with 0 problems (except for 2 or 3 "dud bullets" but that was just the ammo). The 22lr shoots the same zero at 50 yards as 223 except it hits about 5 to 6 inches low because of the lower velocity. I've had my ar for a couple years now and spend hundreds, maybe thousands of dollars on improvements and accessories for it and this is by far the best thing ever for an ar 15. Only problem is that I didn't buy this earlier. Could have saved big money on all the piles of .223/5.56 ammo I've shot. Cheap 223 ammo is about $150 for 500, so this kit pretty much pays for itself after your 1st 550 pack of 22lr. November 30, 2012
CMMG ARC-22 Conversion Kit The CMMG ARC-22 conversion kit worked flawlessly with Remington Ammo - I rattled off the first 50 rounds without a glitch. I switched over to Federal ammo which has received great ratings online - it wouldn't cycle in the conversion kit... not sure if it was just a matter of too little power or what - but it didn't work. Switched back to Remington and it worked like a champ. The conversion was extremely easy - one pin.. drop out the main bolt carrier assembly and replace with the conversion... 30 seconds.. and you are in business.. I would like to see the kit offered with some kind of carrying case to protect the unit (and to store your primary 223 bolt assembly when not in use) .. it seems like an inexpensive addition that would add a lot of value. March 31, 2014
GREAT PRODUCT I recently purchased this item and I will have to say that it works very well. Right out of the package and into my M&P .223 in about 30 seconds. I also elected to go with the 25 round mag (instead of the 10 round) with my purchase and i am so glad that I did because once you get started having fun poping off those .22 rounds it gets addictive and you cant put it down. Two thumbs up for this products ease of use and best of all you get to train (or play) with your normal weapon, Oh and one other thing is that it fits my other two AR's as well.If you are on the fence about wether or not to order this product, jump off the fence and on the computer and get one ASAP and start enjoying your AR!! October 15, 2012
Great product I bought this to teach some younger family members how to shoot an AR15. Very easy to install and remove. Accuracy is great with CCI .22 Tactical ammunition. One of my nephews said "A squirrel wouldn't have a chance against this thing." With a Burris 3-9x scope on a Bushmaster E3 we were getting 9 shot 20 yard groups that I could cover with a thumb. The first shot was typically high and right outside of the group by about 1/2 inch. FWIW, clean up was minimal. I don't know if that was because the ammunition is clean burning or the conversion unit's chamber insert was very tight. December 5, 2012
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9 Questions | 50 Answers

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1 year, 11 months ago
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A: 
Just shot about 130 rounds',with this conversion, through my Windham with no problems.
1 year, 9 months ago
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A: 
Yes, it will. It fit my Colt LE6920
1 year, 9 months ago
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Anonymous
 - Dayton, OH
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A: 
YES!
1 year, 11 months ago
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I don't want to mess up the barrel.
2 years, 1 month ago
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 - South Texas
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A: 
It will not. It may not be as accurate at 5.56 rounds.
1 year, 9 months ago
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Anonymous
 - Dayton, OH
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A: 
You should be fine for general plinking and target practice. Don't try to use the conversion kit to make your AR into a tack driver .22 There is a slight bit of sensitivity to ammunition variances but nothing that will adversely affect your barrel or rifling.
2 years ago
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 - Western WA State / SATX
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Not at all. I was surprised how accurate it was. Go with the stainless steel model, you will be very happy.
2 years ago
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I know many have already stated this works great, so indirectly my question has probably already been answered. But specifically, I wanted to know, will the 22lr actually have enough 'oomph' to cycle the round through automatically? Or does the operator cycle through manually? Any guidance on ammo quality, e.g. subsonic versus supersonic stingers?

Thanks all!
2 years, 3 months ago
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A: 
Yes it will cycle it
1 year, 5 months ago
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A: 
CMMG said the kit will cycle stinger ammo no problem but stay away from the 40 grain round. It is a bit longer & may be a remote chance for an increase in firing chamber pressure.
1 year, 6 months ago
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 - Mobile Ala
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A: 
You put in the conversion BCG. It has its own spring and bolt. It does not use the buffer spring for the .223, it uses a spring in the conversion assembly. Picture it like this. You just put a bolt assembly like in a Ruger 10/22 into your AR. Mine works perfectly, and I am shooting the Remmington bulk ammo.
1 year, 10 months ago
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 - Oklahoma
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A: 
Just had an occasional Loading the initial round Which I will buy the optional forward assist to fix that but after that no problems at all. It has its own spring mechanism in the bolt and does not use the tube spring It cycles within the bolt
2 years ago
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A: 
I only use high velocity in mine. I use 25 round mags and it cycles great. I have a 556 barrel. I was really happy I can train with my tactical rifle for .22 ammo prices, The AR .22 ammo works best, although cheap ammo still works. No misfires or FTF's. Sometimes ejection on cheap ammo the case will get stuck in assembly about 3 per 100 rounds.
2 years ago
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A: 
works just like any other semi 22 cal. insert mag , put one in the chamber ,keep pulling the trigger until you hear a click.
2 years, 1 month ago
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 - Mississippi
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A: 
Out of 5 magazines we had to manually cycle 2 rounds. May have been the ammo, but for the most part it cycled just fine. We were shooting bottom of the line 550 count .22 lr cartridges and had very few issues.
2 years, 1 month ago
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 - Aztec, New Mexico
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A: 
I used CCI .22 Tactical ammo. Plenty of 'oomph' but practically no recoil. Part of the fun of .22 shoot is trying different ammo to find the best for your guns!
2 years, 1 month ago
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A: 
Yes. The kit is like a standard 22lr semi auto action that drops in. the kit does not use the gas system. it has its own spring inside the bolt. mine worked 100% perfect. i think these kits do not work with the piston ar 15s though, but those aren't that common. i have not used subsonic or any special ammo in it but i know it works good with standard 22lr ammo (36 grain hp bulk stuff)
2 years, 2 months ago
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 - wi
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2 years, 3 months ago
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A: 
yes
1 year, 5 months ago
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A: 
No, they wont. They do not engage the bolt carrier properly. Stick with OEM mags for this conversion.
2 years ago
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 - Western WA State / SATX
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2 years, 3 months ago
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A: 
Mine was a Bravo, it came w/ 25 round mag and the drop in carrier.
1 year, 9 months ago
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Anonymous
 - Dayton, OH
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A: 
You get a bolt and carrier group and a single new magazine in each kit. Depends on whether you order with 10 or 25 round magazine as to which "Kit" you get. It's that simple.
2 years ago
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 - Western WA State / SATX
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A: 
It is the alpha. It comes with a 10 round magazine and the Replacement bolt
2 years ago
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A: 
remove the ar15 mag and bolt carrier--place the conversion in exactly the same place as the ar15 bolt carrier--place "kit" mag in mag well, pull & release the cocking handle , place safety in fire position , pull trigger and enjoy!!
2 years, 1 month ago
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 - Mississippi
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A: 
You get the 22 bolt (complete) and a mag. 25 round if you order Stainless, 10 round if you order blued.
Seriously, takes a minute to drop your old bolt carrier group out, drop new 22 bolt group in, insert new mag with 22 rounds, ENJOY!
AR CONVERSION KIT 5.56/.223 to 22LR
2 years, 3 months ago
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Bolt and Magazine
2 years, 3 months ago
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 - Hillsboro, Ohio
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2 years, 5 months ago
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A: 
Yes! It works perfect with my S&W M&P Tactical.
1 year, 2 months ago
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 - Beaumont, CA
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A: 
No S&W mags are different
1 year, 5 months ago
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A: 
I got this kit for my Smith and Wesson M&P 15T and it works like a charm so I don't know why it wouldn't work for yours!!!
1 year, 7 months ago
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A: 
yes
1 year, 9 months ago
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Anonymous
 - Dayton, OH
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A: 
Yes as long it is a 223 or 556
2 years ago
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A: 
Just purchased one for my M&P and it works great. I would recomend the 25 round mag rather than the 10 round.
2 years, 3 months ago
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 - Hillsboro, Ohio
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2 years, 10 months ago
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A: 
It fits and works in my Bushmaster. It works in both my Colts. It works.
Yes it works in a .223. However don't try to use .223 in the magazine or with the conversions bolt carrier group. Thats just asking for disaster to visit you.
2 years ago
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 - Western WA State / SATX
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Yes
2 years ago
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I got a Bushmaster 223-5.56. Dropped right in, fired perfect for almost 100 rounds. I stopped, it was ready for more!
2 years, 3 months ago
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A: 
Just bought one and it fits my Colt .223 and my M&P .223, great product and lots of fun.
2 years, 3 months ago
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 - Hillsboro, Ohio
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Yes it will work with any AR15 platform.
2 years, 5 months ago
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A: 
Yes any AR 15 type .223
2 years, 6 months ago
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 - Amissville, Va.
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I'm not sure you read the product description! If you have questions about the fit and function in your weapon you should contact your weapons manfacturer. But from all I have read and with my experance it will fit almost all AR platform Rifles in .223/ 5.56mm (NATO)
2 years, 10 months ago
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2 years, 10 months ago
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A: 
Just change the bolt in your 223 or 556 and use the supplied mag
2 years ago
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A: 
no
2 years, 1 month ago
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 - Mississippi
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A: 
No need to change the upper, I use mine in my Colt and my M&P and both work great and the accuracy is unbeatable.
2 years, 3 months ago
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 - Hillsboro, Ohio
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A: 
Just drop this into your .223/556 upper and lock in the 22mag that comes with it, your ready to shoot.
2 years, 4 months ago
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 - Midland, Virginia
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A: 
Just swap the carrier group any any 556 or 223.
2 years, 5 months ago
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 - Denver, CO
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Yes you will use the 556 upper with a 22 carrier supplied in the kit with the 22 specific magazine.
2 years, 7 months ago
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Anonymous
 - MO STL
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A: 
NO!
2 years, 10 months ago
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A: 
It's simple. Remove the bolt from your current AR, slide the new .22 conversion bolt back into your AR using the same charging handle. Load your .22 magazine and start shooting.
2 years, 10 months ago
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2 years, 10 months ago
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A: 
25
1 year, 9 months ago
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Anonymous
 - Dayton, OH
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A: 
Rider,
Not "clips", magazines. There are two different sizes depending on which of the kits you purchase, [ 10 and 25] plus you can purchase extra magazines at a later date if you want.
2 years ago
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 - Western WA State / SATX
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10
2 years ago
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A: 
You can get a 10 or 25 round clip, I suggest the 25.
2 years, 3 months ago
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 - Hillsboro, Ohio
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Only one but you can purchase more.
2 years, 10 months ago
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A: 
Look at the ordering options. With the stainless steel you have the option of a 10 or 25 round MAGAZINE, with the blued option it's a 10 round magazine only
2 years, 10 months ago
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