ML Hummingbird Short-Stroke Bolt Assembly for VFC M4 GBB – Silver

CNC Aluminum GBB Bolt for VFC M4
This bolt by Maple Leaf ensures durability and reliability during intensive use. The short-stroke bolt cycle allows for a faster shooting cycle of up to 18 rounds per second, enhancing the shooter’s efficiency in airsoft skirmishes while still retaining bolt catch functionality, which most short-stroke systems lack.Designed for use with AR-15 configurations featuring a folding stock or bufferless setups, this bolt is ideal for CQB rifle variants. The upgraded NPAS 2023 plus valve and the new feeding guide block ensure consistent performance and accuracy. The replacement is straightforward, swapping directly with the original part. It includes a reinforced nozzle (piston), specifically designed for high-speed shooting.

Key Features

Complete short-stroke bolt assemblyIncreases the rate of fire up to 18 rounds per second.
VersatilityCompatible with AR-15 folding stock or bufferless configurations.
CompatibilitySupports both new and older generations of VFC M4 GBB, including MK18 and URGI. After modifications, it can be used with VFC HK416 GBBR. Not compatible with MCX GBB.

Technical Specifications

Material: Aluminum alloy, nylon
Color: Silver
Weight: 195 g
Compatibility: VFC M4 / MK18, modifiable for VFC HK416 GBB
Type: Short-stroke bolt
Performance: Adjustable, NPAS valve

Package Contents

CNC Aluminum Bolt for VFC M4 GBB
Adjustable NPAS valve
Nozzle