NSA .22/23gr slugs thru Mutant standard

Got bored and ordered up some new NSA slugs for the Mutant. Heard good things about the company and products on the big bore side and decided to give them a try. These are a fairly new item for NSA and seem to be in the right weight class for .22 cal PCP’s.

23gr slug with a BC of ~ .075. Wow, looks like a winner on paper should equate to some good down range energy retention. Pellets not even close to this BC. At this weight I anticipated around 800fps out the Standard but wasn’t sure due to the form factor and lack of skirt. Well my fears where unfounded. First two shot’s across the chrono were 838 exactly but getting close to going off the reg. Cool! 36 ft/lbs. Lack of skirt or sealing doesn’t seem to be an issue. Weight and diameter are pretty much the same for each slug since these are swaged in a press. Velocity and diameters should be super consistent.

Next up I wanted to see what the expansion and rifling engagement on the slug looked like. Out comes a 3lb tub of plumbers putty. Blamo!! First shot goes right thru from 13yds. lol. Ok, I am going to lay it down long ways. This is what I pulled out. Expanded to .33 inches and beautiful rifling engagement. Very sharp and crisp. I think this has a lot of potential. Strelok calculates with the above BC/Velocity that this slug is still close to 700fps (25ft/lbs) at 100yds and 590 fps (17ft/lbs) at 200yds. I have not shot this slug at long range or done any accuracy testing… maybe someone will get to that before I do. Its cold and snowy here! Cheers! -DT