Does anyone know the number of grooves/lands on a Shilen and Criterion barrel? Also, does anyone have experience with an X-Caliber or K&P barrel?
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Does anyone know the number of grooves/lands on a Shilen and Criterion barrel? Also, does anyone have experience with an X-Caliber or K&P barrel?
I've got almost 500 rounds through an x-caliber 308 win barrel and it gives me 1/2 moa at short range and opens up to 3/4 to 1 moa at medium to long range.. I'm still working on tightening up my reloading consistency so I still don't think I've seen the true potential of this barrel. My shooting skills and consistency are what I would consider to be average.. I have looked at my barrel with a bore scope but I didn't even think to count the groves...
I purchased a pre-fit stainless 26" sporter style for my Savage 111 7mm RM from the "Barrelman." I called him, and he asked me some questions over the phone to fit my needs. I ended up with a 1:9 based on the bullets I was going to shoot. My gun smith said it was a great fit, and it took only 2 shots to ensure it was properly head spaced and fitted correctly. It's still in the break in process, but I'm very pleased with the accuracy. I can tell already it's an upgrade.---The pre-fit worked for me, and fit my budget. I'd do it again from the Barrelman. Took about 1 month for my make and model. The Xcaliber barrel shipped from the vendor, I think, in Utah. Cost of the barrel & shipping was $325.
Hope this helps.
Sorry I can't count the lands on my criterion at the moment but I can tell you I get one small ragged hole at 100 yards and sub .5moa routinely at 300 yards.Quote:
Originally Posted by Billy
Can't get to my criterion either at the moment but if my feeble mind serves me correctly I remember it as a four-groove. Can't speak for Shilen. My Criterion in .308 shoots fantastic by my standards, even with my limited reloading skills and very limited long-range shooting skills, 4" groups at 600 yds are easy on a good day, all day long, if I do my part, using 168gr pills, and don't look back, etc etc, insert preferred "range slang" here... Lol
Taking both brands one at a time:
Criterion has 6 rifling land in their Pre-Fit Barrel except for the 30 caliber. All 30 caliber us a 4 rifling land barrel.
Shilen uses 6 rifling land in their barrels unless you are using their ratchet rifled barrels. The ratchet rifled barrels are all 4 rifling land versions.
Jim Briggs
NSS