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Posted: 12/4/2011 12:32:20 PM EDT
| I have a RanierArms UltraMatch barrel that is 18" mid length gas.....I'm now thinking about a MK12 inspired build. Can I mount the PRI flip-up sight/gas block by it self at the 12" position? Similar to some of the mid length gas, dissy builds I've seen. My barrel is .750 dia. |
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