If these are still available I will take them.
Dead Air 1/2x28 Keymo Muzzle Brake Brand new in bag with shim kit $75 shipped.
Dead Air 5/8x24 Keymo Muzzle Brake installed but like new only a few rounds through it if any at all, no rocksett or locktite used. No shim kit, looks almost new excellent condition. $65 shipped
PHYTCLUB