Think il just got for the 10.5 then and save myself some time and money. I was looking at HAO but I couldn't find one in stock anywhere, but I'd like one if anyone can point me in the right direction.
Then keeping the stock outer barrel I wouldn't have to worry about compatibility with the rail. Would you keep the original barrel or drop in a new tight bore? I'd like to be able to use it indoors at the CQB site I play then turn it up to a DMR for woodland skirmish hence the NPAS.