I appreciate that data! My smith's reamer is throated for 90 atips. Unsure on fb but I believe it's close to 170k. I've found bergers shoot well 70-120k off lands in my long throat 6gt. So I'm not fearing jump. I'll be using a bighorn origin and arc mags, hopefully no feed issues. I have a few aics pmags and mdt w/ binder to try if there are problems. My 6gt from a nucleus w/ arc mags has ran flawless for 1400 rounds this past season. Once again, thanks for your information!
Ha. I’m on month 6 or 7 for my OBW 22BR.Got a brand new Nuclues 2.0 sitting in a Bravo............
Waiting on my PVA "black friday" Osprey Blank 1-7 Twist 22" MTU contour.
Got 300 pieces of Alpha brass, .249" wilson bushing, Wilson bushing FL 6GT die waiting on barrel.
I plan on running 88gr ELDm with Staball 6.5
Other than that, I'm new to the GT, so I'm no help............
This post is pretty much useless to you...........
That's encouraging. What's the fuggin hold up? Diamond cerakote....
My understanding is if it is a low demand caliber the 4-6 week lead time does not apply. If I hadn't already purchased BR brass and SAC Modular BR die I would cancel the order.
About how many grains and round count?..now I wanna throat the barrel...
Match load is 36.2gr. Obviously work up as barrels and rifles differ. I have probably 400-500 on it currently.
36.2gr H4350 @ 3160 is the exact barrel node #3.5, it predicts 67k psi at this load lol, I doubt its that high. Are you using a 218 or 219 bore Krieger? My hawkhill is 219. I had a tight bore 236 vs 237 Krieger 6gt last year, shot absolutely great for first 700 rounds but once the barrel got some character its pressured WAY up.
That's the plan lol for pikes peak. Shot it at the Cheyenne match twice. Performed great. Me on the other hand, another story
I'll have my AX in the AO chassis by then too218 bore. My higher speed load wasn't showing signs of pressure, I just stopped there as I don't need to to run it that hard. Save a little life in my barrel lol I just picked 36.2 as 3160 was plenty fast enough and after a quick seating depth test, proved to be boringly accurate
Sure thing. Is the 3160fps load water safe?
I can understand that, lived in the FoCo area 10-16. Its crackly dry on the front range.
I find the velocity differences between the two projectiles odd, in my 26" 7tw, the same charge of H4350 is only 15-20fps apart w/ 88s vs 90s.
Yeah I thought it was a decent jump too. I didn’t do any development around 88 I just took my Atip load and ran the eldm’s since the atips are hard to find. Only thing I can think is less bearing surface on 88 vs 90. Really haven’t dug into it too much.
Pat sinclair has an 18" 6.7tw pushing 90s @ 2980 w/ rl26
Like I said a couple posts back 18” running a 90 grain Atip at 2980. Very similar to PSinclair load.
My alpha 22gt fired case held 44.9gr of water on my scale, lapua 22cm holds 51.4gr 13% more powder for roughly 7% more velocity.
Awesome thank you. Is there a smith you suggestions.
Awesome thank you! Any other suggestions are appreciated.
Manzella Precision in Roundup Montana built mine, it's an absolute hammer.
