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 Up North Airgunner / 459 Views /  29-04-2021

FX Impact M3 22 cal Testing Supersonic Accuracy

Gear Used:
FX Impact M3 in .22: https://utahairguns.com/fx-impact-m3-1/

FX STX Superior Heavy Liner 700mm in .22: https://utahairguns.com/fx-stx-superior-heavy-liner/

Patriot Javelin Slugs: https://utahairguns.com/patriot-javelin-slugs-22-caliber-200-pcs-pre-order/

FX Hybrid Slugs: https://utahairguns.com/fx-hybrid-slugs-22-caliber-22gr-100ct/

Atlas Super Cal Bipod: https://utahairguns.com/atlas-super-cal-bipod-w-qd/

DonnyFL / FX Suppressor: https://utahairguns.com/donnyfl-fx-moderator/

Element Optics Nexus: https://utahairguns.com/element-nexus-5-20x50-ffp

SCIENCE FOR THE WIN!!!!! The last few weeks I’ve been on the soapbox of internal ballistics and barrel harmonics, but today I got taken to school on external ballistics. It’s so awesome to be able to see the theoretical actually on paper to become empirical evidence!

So I’m slinging Patriot Javelin 23 grain slugs and 22 grain FX Hybrids during this testing with the FX Impact M3 right at and breaking the sound barrier. My pocket chrony can’t pick it up but I’m hearing it make that sonic crack on the majority of my shots. Based on my sea level elevation and temperature and barometric pressure I know I’m within a few FPS of that mark.

The cool part about this test was it shows that slug shaped projectiles can in fact go supersonic and quickly come back through the transonic zone and have amazing accuracy at 100 yards, but..... In this test it also proves with 100% certainty that the projectile becomes SUPER sensitive to wind coming back through that transonic zone.

I was able to shoot 5 shot groups right at MOA accuracy when I waited for there to be only a slight breeze from my shooting position, but when I just let them fly with the wind blowing they could barely stay on paper. I know all of this academically, but getting it all on video was quite cool. External Ballistics science baby!

Music in this video

Song: Breaking The Sound Barrier
Artist: Bill Conti
Writers: Bill Conti
Licensed to YouTube by: UMG (on behalf of Varese Sarabande Records); LatinAutor - UMPG, UNIAO BRASILEIRA DE EDITORAS DE MUSICA - UBEM, LatinAutorPerf, UMPG Publishing, CMRRA, UMPI, and 5 Music Rights Societies

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