I don’t know what .30 cal has 1/2x28 threads, but this works just fine on 5.56, and just has a slightly larger hole. Radial brake, no timing required, and the TOM mount means getting ever closer to closing that suppressor gap. I gave up trying. All my hand guards are from decades ago. Sell for $80 shipped, or trade (only) for a SiCo Closed Tine Flashhider 1/2x28 in at least serviceable condition.
Venmo, Apple, PayPal. No G&S.
