Is a Budget 300 BLK better than the SIG? That's what Werkz Holsters try to find out as it compares the PSA JAKL to SIG Sauer's MCX... "What's the best 300 blackout piston setup? We wanted to check out the difference between two popular 300 blackout setups. Jamison built out a PSA JAKL, and Shan built a MCX Spear LT.: Two different blasters to run against each other. Let us know which one you'd pick!"