Mr. Nick Nielsen is a class act gentleman and I do recommend his product.
I’ve never spoke with him but most of the slug guys all know each other and I happen to use Griffins right now, more as I’m testing for him out to 600 yards if needed.
I’ve learned so much from airguns, forums, and shooting daily. I can say this. You can’t buy a better slug than NSA at his price AND, I don’t care if you pay 2x’s as much. Nothing will shoot better in your guns unless you have your barrel swaged/sized correctly and then have a mold machined to your specific barrel specs.
I’m testing mainly .22’s & .25’s to 450-500. About to start some serious 100-150 yard .177 slug testing for myself as Tom Holland’s .177’s & Griffins have me wondering. Especially Tom’s design for low power guns and Griffins new mega deep dish slugs with exploding Delrin piston balls centered (for that rare Coyote.)
I’ll tell you that perfect size for your barrel, lubed, not lubed, length variation and tail/nose type, weight displacement is SO vital to anything worth calling accurate. I’m sticking with lightweight short slugs for now. 28.5’s hitting at 300 within 1.5”
Whenever AG industry offers different twists and loading ramps instead of stupid expensive magazines, that usually bend pellets skirt and won’t hold long slugs, that slow twist barrels can’t stabilize. When a SAAMI type spec is adhered to, then I’d buy 10K of each slug guns favorite from NSA, or any others that get a HSP going. I like those other guys and it’s all good as Dale has some Nick doesn’t. Mike has some neither of the other two do. Whoever AVS is has .254”. Test away guys.
I’m not hunting so massive power able to keep 3-6” groups at 150-200 yards isn’t my thing.
I can do better with pellets in no wind. I’ll stick with JSB 18.13, & H&N Baracuda Match 21.14 in .22 & JSB 25.43, 33.95, H&N FTT 20 grain .25’s.
Until something like FX promised to offer all data on what liner loves what best, back before Crown was ever released.