Comstock LPA mount for HUB 1.375 x 24 cans and plan-b muzzle devices; steel, 1-1/16" wrench flats, 0.3" added length, 1.6 ounces. Used ~150 rounds, functions well.
$60 cash, near bsu. Email [email protected] if interested.
Comstock LPA HUB / Plan B mount