JP Receiver Extension Tube

MicroFit™ Front Pivot Pin Small Frame (.223) Fix fitment issues in your receiver set or upgrade its look with a high-quality MicroFit™ front pivot pin.

 AR-15 / AR-10 Enhanced Magazine Catch Compatible with JP-5 Magazine Catch Upgrade your reload speed and control.Missing a control input at the wrong moment can cost you. This enhanced magazine release button provides a larger surface area and improved texture for fast, confident activation. Compatible with Mil-Spec systems, it delivers performance,...

Aluminum ACE stock ideal for competition, sporting and tactical use.

.172 Large pins (set of 2) and includes four (4) button head screws, HEXA footprint  for a clean appearance, easy service and removal. Finish is black oxide.

Silent Captured Spring Auxiliary Rate Spring Kit JPSCS2-XS for Maxim Defense CQB Stocks

The Auxiliary Spring Rate Kit for the JP Silent Captured Spring (JPSCS) allows precise tuning of your rifle’s operating system to match its specific configuration. These springs are not for the GMR-15  Silent Captured Spring.

These O-rings will replace any worn, deformed or lost rings from any JP Silent Captured Spring or Variable Mass Operating System (VMOS™) bolt carrier.

Small Frame (AR-15) Titanium Firing Pin

Steel Weight for Silent Captured Spring/VMOS™ Carrier Designed to replace one or more of the existing weights of the JP Silent Captured Spring or VMOS™ Bolt Carrier, these steel weights are the standard components used for reciprocating mass in the operating system.

2" tactical rail segment without backer plate for accessory mounting on JP MK III Hand Guards