Web1x pmm compensator for glock slimline. No set screws, mounts like a muzzle device on a rifle. Captured design ensures that even if your comp comes loose it will not come off or. Webaug 29, 2022 · here is the updated review of the pmm jttc micro barrel and comp combo. Webthe pmm micro jttc for the p365 uses a proprietary threaded barrel designed specifically for mounting the pmm compensator. Pmm compensator mounts much like. Webthe pmm micro jttc for the glock 48 uses a proprietary threaded barrel designed specifically…