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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
The JACK™ has only one moving part
Fighting Bro BD556 Front End Adapter
A high quality tear resistant
Giving you access to more mags loaded ready for combat
Maxx CNC Spring Guide Style:Thru-hole The JACK™ has only oneMaxx CNC Spring Guide 2 Variants Available. Thru hole and Standard. CNC Stainless Steel Aluminum Spring Guides are designed to keep the spring in line and allow the spring to rotate on shaft during high compression, suitable for AEG version 2 gear box upgrades. This Spring Guide is machined with an M5 thread on stainless steel hub to hold the stock securely and equipped thrust ball bearing to reduce spring stress and breakage during high speed spring
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