Got my barrel and new sho valve on new 580cc carbon fiber tank. Installed in a condor frame with the TT heavy spring and 90gr hammer. Filled the tank to 3600 psi. 65gr NSA slugs 6 shots high 951fps, low 908fps, stdev 15.1 spread 43, with 130fpe at the muzzle. 70gr NSA slung 9 shots with high 933fps, low 915fps, spread 33fps, and 133fpe at the muzzle. Was able to get 1inch groups at 50 yards. I tried other weights in 80, 85 and 90gr, but not enough power with this setup to get them going fast enough to group well. All in all, I like this setup, but wish the new tank and SHO valve would have enough power for the heavier slugs. Great job Tony!
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1 review for .257 Barrel 24 Inch
Got my barrel and new sho valve on new 580cc carbon fiber tank. Installed in a condor frame with the TT heavy spring and 90gr hammer. Filled the tank to 3600 psi. 65gr NSA slugs 6 shots high 951fps, low 908fps, stdev 15.1 spread 43, with 130fpe at the muzzle. 70gr NSA slung 9 shots with high 933fps, low 915fps, spread 33fps, and 133fpe at the muzzle. Was able to get 1inch groups at 50 yards. I tried other weights in 80, 85 and 90gr, but not enough power with this setup to get them going fast enough to group well. All in all, I like this setup, but wish the new tank and SHO valve would have enough power for the heavier slugs. Great job Tony!
Only logged in customers who have purchased this product may leave a review.