Home Forums Hunting & Shooting AR and Tactical Rifles Tac 20 build (pic heavy)

I haven't had a chance to test any loads for accuracy yet, but did burn some powder finding max loads for a few different bullets, as well as poking holes in steel.

Out of a bunch of different powders I tested, I'm liking XTerminator the best so far based on consistency, how it runs the rifle, and velocity. No surprise given the excellent results I've had from it in 5.56 and lighter bullets. Max loads for good brass life at this point appear to be ~3,850 fps with the 40gr V-Max and 39gr TNT, and ~4,180-4,200 fps with the 32gr V-Max.

20 Tac with those three bullets shown here alongside a 243 LBC with 95gr VLD


I plinked some steel to see what happens with the 32gr V-max load. Looks like I'll probably need to restrict this one to at least 200+ yards on my AR500 steel targets.