Valken Proton - Black Internal Marker Upgrades This is a RETIRED strap

This is a RETIRED strap

and is in perfect working order

The E-Trigger Electronic Upgrade Kit includes five firing modes (semi-auto

SWAT style pistol grip for genuine feel

Internal regulator with new external velocity adjustment (tool required)

Valken Proton - Black Internal Marker Upgrades This is a RETIRED strapFeatures Based On The Popular Mokal Aura Marker 5 Firing Modes & 4 Tourney Modes Break beam Eyes w Eye Shields Super Easy To Maintain Tool less Engine Disassembly Recurve Trigger & Roller Bearings Redesigned Grip Frame Aggressive Body Milling And Styling Autococker Barrel Threads Cam lock Clamping Feed Neck On Off ASA w Purge