Revanchist Picatinny Rail M1913 20mm Stock Adapter for UMAREX / VFC MP5K GBB Series Switch Production Model : AIP020-51-S

Production Model : AIP020-51-S

COW Blowback Unit for TM Model 19

- Gearbox: Version 2 with 8mm Bearing Full Assemble (CNC Process)

The great thing about this first party part is that its also threaded and comes with a thread protector for your easy adaptation of standard suppressors and silencers

Simply replace the Co2 gas cylinder and the outer shell after use then you can fire again

Revanchist Picatinny Rail M1913 20mm Stock Adapter for UMAREX / VFC MP5K GBB Series Switch Production Model : AIP020-51-SRevanchist Picatinny Rail M1913 20mm Stock Adapter for UMAREX VFC MP5K GBB For UMAREX VFC MP5K GBB Material: Aluminum CNC