PDA

View Full Version : Monolithic Upper with Piston System


muskater
05-13-2010, 11:46 AM
Which monolithic uppers are compatible with piston systems besides the mega machine setup?
Thanks in advance

TZL
05-13-2010, 12:17 PM
LMT

tomd1584
05-13-2010, 12:19 PM
Get a factory piston/monolitchic setup straight from the factory. LMT.