Toolcraft makes Cryptic BCGs, and Cryptic adds the magic touch. Basically, think of the mil-spec BCG with a phosphate finish, chromed interior, reliable gas seal, cleanly staked key, chromed firing pin, HPT and MPI'd bolt... all of this, but without the phosphate finish which is a pain to clean. Instead you get a non chipping, very hard finish on the outside, without compromising the chromed dimensions where it matters. This finish is slippery when dry and beyond black ice when lubed up. One easy wipe and it's good as new.
On a personal note, got lucky and the part visible when the BCG is ins...
Read More...