Thread: Sub sonic 7-08

friend of mine uses these in a fully suppressed 338federal, and reckons they work really well on deer and goats, especially when you add the "payload" although the trajectory is like a "rainbow"

338-501 .338 Subsonic Controlled Fracturing


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The .338 Subsonic Controlled Fracturing was designed for outstanding terminal subsonic performance for suppressed bolt gun or single shot applications. The required barrel twist rate for stability with a muzzle velocity of 1,050 fps is 1:8. Testing has shown terminal performance is dramatically improved by inserting a .17 caliber payload bullet (not included) into the hollowpoint cavity. The hollowpoint was designed with a light .172 press fit and the payload bullet can be installed by pressing it in place or by tapping it in with a mallet. A 20 grain Berger appears to improve terminal performance over a 25 grain Hornady. The function of the payload bullet is to shift the cg forward and to direct the hydraulic energy outwards accelerating the expansion. Weight - 230 grains (without payload bullet) BC G1 1,050 fps (calculated) - 0.525 Length - 1.625 Design velocity - 1,050