Quote:
Originally Posted by diamond_SEA
now, the JP kit comes with 4 barrel lengths, does this mean each barrel must be used with the correct cylinder (as in correct barrel length to cylinder port)?
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Yes, the kit comes with 4 different extensions that allow you to use 4 different inner barrel lengths. So you're going to have to match your cylinder with the barrel you plan on using. It's an interesting option in my opinion, and since I am running a Type 0 bore up, I can swap between using a 590mm in the 24" or running a 650mm in the 24" with a can at the end.
Vic.
PS I'm looking at a DYTAC VLTOR MUR to replace my upper receiver as it is designed for the G&P lower receiver and has the same tpi as a TM, as the JP rifles kit should work as it seems the upper was off, TPI-wise.
*edit*
I took my thread gauge to both the JP Rifles' kit and the G&P Upper receiver and they both have the same TPI. I think that the receiver was cut before finished and the finishing process altered the threads just enough. I did managed to get the two pieces to screw properly, but I was working it 1/4 of a revolution at a time and backing out.