LWRC looks alright, but they're as expensive, according to their dealer forum, as POF.If you want a piston upper, LWRC is the way to go imo.
The LWRC piston system is low profile. The rails are proprietary though.LWRC looks alright, but they're as expensive, according to their dealer forum, as POF.
I wonder if they require special handguard upper-halves, as the POF ones do, for the larger piston space required...?
mine has a half-inch piston and housing, so it requires a special upper, or like i did, machine the whole center out of the upper rail to accommodate it.