MadBull is licensed to produce accurate copies of the real Gemtechs.
Fit most of AUG, M249, M4/M16, SIG SG552 series.
Barrel Extension includes 14 CCW flash hider.
Compatible with 14mm CCW adapter.
Made of durable-rugged aluminum, durable yet nimble.
New 2011 version features enhanced more-aggressive closer.
Authentic ''GEMTECH'' laser engravings.
There is no need for proprietary mounts or modifications to the barrel.
Make it flush with your rail system or handguard and get that flush SD look.
Make your inner barrel longer without extending your outer barrel.
Quick-detach design, attach and remove in about 15-seconds.


Material : Aluminum
Major Color : TAN
Outter Diameter : 37mm
Inner Diameter : 14mm CCW
Over All Lenght : 192mm
Item Weight with Box : 234g
Manufacturer : MADBULL