MK16 STYLE SHORT Barrel Extension Color:Tan Double O-Ring for better air

Double O-Ring for better air seal and reduced compression loss

The SPD Combat optic has dual power modes

It is important to note

Each gearbox is uniquely numbered and also comes with an ULTIMATE selector plate and constructed with high-strength hex screws

MK16 STYLE SHORT Barrel Extension Color:Tan Double O-Ring for better airSPECIFICATIONS MATERIAL: ALUMINUM STEEL COMPATIBILITY: 14MM COUNTER CLOCKWISE THREADING PACKAGE INCLUDES: 1X MOCK SUPPRESSOR, 1X FLASH HIDER FEATURES SMOOTH LIGHTWEIGHT ANODIZED ALUMINUM CONSTRUCTION 14MM COUNTER CLOCKWISE THREADING FLASH HIDER ATTACHES TO BARREL USING A 14MM COUNTER CLOCKWISE THREADING ADDITIONALLY FUNCTIONS AS A BARREL EXTENSION SLOT CUT DESIGN PROVIDES A NON SLIP GRIP WHILE ATTACHING QUICK ATTACH MOCK SUPPRESSOR ENSURES PERFECT