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Posted: 1/6/2014 3:20:52 PM EDT
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Is the AR-22 M4 upper a solid barrel or is it an aluminum barrel with a steel liner like the SB-X and LT?
Upper in question... 
Anyone using this upper conversion? How do you like it? Is it reliable? |
| I used one for a few years. Once they got the original bolt updated it was a nice piece. Of all my standard production .22 AR uppers (not the special CMMG target one) it probably shot the most accurate of the bunch when using bulk ammo. Nicely made but not "standard". Tac Sol does it their own way. |
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Quoted:
I used one for a few years. Once they got the original bolt updated it was a nice piece. Of all my standard production .22 AR uppers (not the special CMMG target one) it probably shot the most accurate of the bunch when using bulk ammo. Nicely made but not "standard". Tac Sol does it their own way. I have that upper. It is amazingly accurate and after I replaced the extractor (tacsol sent me one for free) it has has 0 failures. The bolt is a work of art. |
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