VFC SIG AIR Proforce MPX AEG 400-550 20mm Picatinny Under Rail for

20mm Picatinny Under Rail for tactical accessories (e

medium capacity sidearm that has some great external features

Textured polymer grip panels mimic the look and feel of the real thing

Dust Cover

Digital Interface / Debouncing

VFC SIG AIR Proforce MPX AEG 400-550 20mm Picatinny Under Rail forFeatures Precision CNC machined all metal receiver w M LOK handguard; fully licensed with deep engraved roll marks Accurate weight and feel to the real thing Barrel and handguard comes apart just like the real thing (allows easy access to battery compartment) Ambidextrous charging handle w realistic dual return springs; mock bolt locks back for easy access to hopup adjustment (functional bolt stop) Ambidextrous controls (selector, mag release) 5