Novritsch SSR4 Mk2 Automatic Electric Gun (AEG) Training Knives The one-piece feel comes from

The one-piece feel comes from the proprietary barrel nut that is included with the purchase of the rail system

MLOK Handstop Included

The gearbox is a split version 2 style gearbox

V6 Gearboxes P90

Solar FailSafe™

Novritsch SSR4 Mk2 Automatic Electric Gun (AEG) Training Knives The one-piece feel comes fromThe SSR4 Mk2 is the result of years of development experience. It combines a unique exterior that no other M4 has with improved internals and features new to the airsoft industry. This future proof rifle sets a new standard for what an Airsoft AEG M4 should be. Features 25 year spare part warranty (terms and conditions). Novritsch reinforced gearbox shell. Modular trigger with adjustable pre travel & resistance. Rotary TDC Hop Up chamber with optional