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Posted: 10/5/2009 2:55:57 AM EDT
| What are the pros & cons? I mainly am interested in shooting 22LR as a way to teach some youngsters to handle an AR, along with the wife. Do the conversion kits get your rifle a lot dirtier? Do you need to keep them really well lubed (wet)? Im looking at spikes conversion unit at palmettostatearmory.com |
| If you already have an AR, the Spikes conversion would fill the bill. It'sdecent accuracy from at least a 1/9 barrel twist. You can run the Spikes unit dry. That gives you a lot less gunk in the rifle. I've have 2 dedicated uppers and a conversion unit. All three run fine. |
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I tried the conversions, and was not all that impressed with the accuracy. Got a Spikes .22 upper with the proper twist and prepped it with Microlon Gun Juice throughout and was very impressed. I'm sold. Way better by far and with the Microlon installed clean up is a piece of cake as .22 ammo is dirty as hell. I shit you not! Go with the spikes upper.  |
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It all depends on what you want. I have a number of conversion units. Spike's, CMMG and Ciener and prefer them in that order.
With the right ammo even a 1:7" twist can shoot 5/8" or so groups at 25 yards. I have 3 dedicated uppers at present, A Spike's Green Mountain Barreled Upper, An M4 Lothar Walther Barreled Upper and an 18" LW Bull Barreled Upper on loan for testing from Tom at Spike's. The Green Mountain shoots a little better than any conversion. The M4 will shoot 1/4" @ 25 yards. The Bull Barrel is doing a little better than that. A Spike's Conversion is a good starting point for youngsters to develop skills. But, the rifle will get dirtier unless you plug the gas block and make the upper 22 dedicated. It's nothing strenuous to clean a .223/5.56 rifle after firing a conversion, it's just easier to clean a dedicated upper. Spec |
I pass my Ciner kit around like a fat chick in a frat house. My LMT, and Bushmaster love it! I had to put a Black Dog firing pin in it (the og one broke after about 3000 rounds). I use this mostly for training. I know it doesn’t work just like the real upper but it helps with transitions to the secondary, and with malfunction drills. But with the price of ammo these days I guarantee I get more range time than anyone else in my P.D. During training I often switch out bolts and run some .223 though to clean things out and get some (real trigger time). I have enough junk lying around to build a dedicated upper, but I have about 10,000 rounds through my kit now and it is still running strong. Oh yeah, I don't use any lube at all on my Ciner kit and it runs like a champ!
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I'm too lazy to swap in a conversion kit.......sooooooooo, I spent $999 on a dedicated upper, a bunch of mags, little parts here and there, some parts for other rifles,.....and will have 2 rifles completely identical to each other in every way except caliber as one will be 5.56, and the other .22lr.
I shot someone else's AR with a spikes conversion and liked it, and I always clean my rifles and handguns after EVERY shoot...but I know I am more likely to shoot my .22 if I can just grab it and go shoot then clean and all that crap when I get back. looking into Microlon Gun Juice now....my curiousity has been peaked! |
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