This JP Silent Captured Spring System is manufactured exclusively for Maxim Defense to work with the Maxim Defense CQB Stock System only. The JP Silent Captured Spring System requires an open channel...
Features and Specifications:Mil-spec Diameter Receiver Extension Tube for AR-15 RiflesExtension Tube CNC Machined from 6061-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread...
Features and Specifications:6 Position Mil-spec Diameter Receiver Extension TubeExtension Tube CNC Machined from 6061-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread...
Features and Specifications:Mil-spec Diameter Receiver Extension Tube for AR-15 RiflesExtension Tube CNC Machined from 6061-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread...