Maple Leaf Precision "Hummingbird" M4/AR15 GBB short stroke bolt Upgrade Kit - adjustable flow dart/new version of nozzle stop
$15.00
- Brand: Maple Leaf
- Product Code: MAPLE-BC-UP-KIT
- Availability: In Stock
Maple Leaf Precision "Hummingbird" M4/AR15 GBB short stroke bolt Upgrade Kit - adjustable flow dart/new version of nozzle stop
Product features:
●Used to upgrade the "Hummingbird" M4/AR15 GBB short bolt action (※After October 2023, all nozzle valve have been updated to adjustable (NPAS), only the old version of the bolt need to be upgraded)
●Adjustable initial flow rate (use M1.5 hex wrench/driver)
●The new version of the nozzle stop can correspond to the "front-loading" M-LOK tactical handguard
Instructional videos : HERE