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22LR conversion!!

 
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  #1  
Old 09-08-2011, 05:17 PM
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22LR conversion!!

Anyone using one of the 22lr conversions for a AR15 and if so is it accurate. Is it comparable to a 10/22?
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  #2  
Old 09-09-2011, 01:11 PM
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Re: 22LR conversion!!

Frank7mm,

Well, yes and no. I use one a great deal as a training rifle, but it's a dedicated unit, NOT the drop in kit for use on a 223 upper. I have one built by Derrick Martin (Accuracy Speaks, in AZ) and it is indeed a tack driver. Those units that replace the bolt and are used in a conventional AR upper are more like Minute Of Tin Can, at best. Several problems here that the Accuracy Speaks (and now several others as well) addressed related to the improper bore size (RF barrels are about .002" smaller than .22 cal CF barrels), a twist rate that twice as fast as it should be (1x16" vs the ARs 1x7" or thereabouts), the fact that the bullet travels about an inch and a half before it finds any rifling, and the fact that it has to pass over a gas port, which isn't helpful to the bullet or the upper's gas system. Lots of problems. Still, they're cheap, and can get you some enjoyable plinking time. If you're serious about accuracy, look at one of the dedicate uppers on the market these days.
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  #3  
Old 09-09-2011, 01:23 PM
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Re: 22LR conversion!!

+1 to everything Kevin said. Probably the most popular match grade .22 upper today is the Compass Lake Engineering. At just over $1000 it is a serious instrument. These uppers are extremely accurate. The Louisiana Shooting Association has 5 of them for its junior highpower shooting program. They provide better feedback than a .223 upper for training purposes and are cheaper to shoot to boot. We are talking about one raged hole accuracy at 50 yards with proper ammo.
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  #4  
Old 09-09-2011, 06:45 PM
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Re: 22LR conversion!!

Thanks. Sounds like I'll just buy a 10/22 and be done.
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  #5  
Old 09-09-2011, 08:26 PM
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Re: 22LR conversion!!

why not a colt, s&w or ruger ar/22?
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  #6  
Old 09-15-2011, 01:03 PM
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Re: 22LR conversion!!

I have a dedicated .22 upper from CMMG. I purchased the parts that I needed from them (barrel & bolt) and assembled it myself using other parts I had sitting around. Awesome little rifle! I have a lot of fun with it.
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  #7  
Old 09-20-2011, 12:57 PM
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Join Date: Sep 2011
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Re: 22LR conversion!!

i have the Spikes tactical ST-22, a dedicated .22lr AR...it is reliable, accurate to a "T" and rugged. i can ask no more. it's simple an upgraded M4 and well worth the, near, $1000 price...walther target grade barrel, chrome bolt, etc.

unfortunately, they are no longer available at this time...they may re-introduce them in the near future. you might be able to locate a good used one.
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