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Gun Talk
Are you a gun fanatic as well? If so, you'll want to talk to other owners about what you own in this forum.

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Old 04-10-2011, 12:41 AM   #1
pphil09
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.22 Conversion in AR15

Does a .22 conversion cause any long term damage as far as accuracy and durability/reliability of the rifle when switching back to .223? The ammo I would be using is 36gr .22 Federal Champion HP's with a copper plating.
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Old 04-10-2011, 01:39 AM   #2
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No for two reasons.

1: you are basically changing the whole upper
2: you are basically changing the whole upper
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Old 04-10-2011, 08:39 AM   #3
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How about the bolt conversion kits?
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Old 04-10-2011, 10:44 AM   #4
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I never could understand doing this.

Is a good quality conversion not close to a regular .22 AR style rifle? (within a few hundred)
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Old 04-10-2011, 12:24 PM   #5
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They are, but some want one gun, multiple calibers to use their trigger and other support pieces.

I agree, converting the upper is quick, but pulling out a different rifle is quicker.
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Old 04-10-2011, 12:28 PM   #6
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I know CMMG sells some .22 bolts that some have reported good results with. You shouldn't be damaging your rifle by swapping between .22lr and 223.
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Old 04-10-2011, 03:25 PM   #7
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I don't foresee any damage issues.
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Old 04-11-2011, 04:42 AM   #8
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Ok thanks reedo. For those asking, the CMMG kit is only 134 shipped, which is much cheaper than a MP 15-22 or a dedicated upper. I would also like to use my optics and practice with my main gun, not a plinker.
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Old 04-11-2011, 01:40 PM   #9
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link to the CMMG deal?
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Old 04-11-2011, 02:23 PM   #10
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http://www.midwestindustriesinc.com/...ategory_id=217

Apparently they are out of stock now? It says "call" but I was able to order online. Never heard of the company but they shipped it quickly and im pleased overall.
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Old 04-12-2011, 09:32 AM   #11
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Let me know how it shoots, I have a 1:7 twist on my DD and Ive heard that it can really mess with a .22.


Ive also heard that you need to shoot some .223 after a day of .22 b/c the .22 is dirty and might start to clog up the gas block and tube...
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Old 04-12-2011, 11:49 AM   #12
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Yeah my BCM is 1 in 7 also. Will report back results.
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Old 04-12-2011, 12:02 PM   #13
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i <3 my spike tact .22 bolt for my AR
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Old 04-19-2011, 03:52 PM   #14
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In for results as I too have a DD 1:7 twist and VERY interested in the CMMG conversion
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Old 04-19-2011, 04:15 PM   #15
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buy my spikes lower... i dont use it anymore...
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Old 04-19-2011, 04:26 PM   #16
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buy my spikes lower... i dont use it anymore...
What does that have to do with .22 conversion?
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Old 04-19-2011, 05:02 PM   #17
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I conversion
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Old 04-19-2011, 06:19 PM   #18
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conversion i meant*
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Old 04-24-2011, 02:07 AM   #19
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Results are G2G. Leaves a lot of burnt powder residue in the upper part of the upper, but nothing that a toothbrush and rag cant get out. Accuracy isnt exactly pinpoint, but I'd say I didnt see anything outside of more than 12 MOA at the absolute worst. Most were probably within 6 MOA of where I was aiming. I have been using 525 pack Federal Champions and running a bore snake every 100-200 rounds.

Initially I was getting some 3 round bursts and fail to loads out of the kit, but it definitely does have a break in time, and over the past 400 rounds I have had 1 stovepipe that was easily cleared. Everything else has been 100% even at rapid fire speeds. Fun little kit, definitely worth the $134 from the company I linked to.
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Old 04-24-2011, 07:20 PM   #20
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I have one and its worth it, I just switch back to a 223 bolt at the end and let go a couple to just make sure the gas tube is clean(ish). If your really worried just buy a new upper and dedicate it to .22 only.
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