18"

I had my new 300 WSM Tikka cut to 18" and threaded recently, took it out the last few weekends to Chrono some spreads for velocity and shoot some groups, and figured since I had it typed out, I'd post up the info here in case someone is interested. Reloder 16 200 gr ELDx, 30 off 04/28 60.5gr -...

Here's what I'm looking for: 5.56/223 Wilde 18" Rifle length gas A1-ish profile preferred, but I'll take anything .625 at the gas block 1.9" long gas journal to mount a FSB 1:8 twist preferred Carbon steel preferred. Melonite/Nitride finish preferred 1/2-28 threads M4 barrel...