The JP Silent Capture Spring (SCS) system is the result of years of innovation. To find the right SCS for your rifle, you can use this step-by-step guide to zero in on the right SCS for a new or …

Silent Captured Springs for the 9mm AR platform are available in two stroke lengths: standard and short stroke. The current generation of our 9mm EnhancedBoltTM will function and allow …

By all but eliminating the raspy scraping of the buffer spring against the interior of the extension tube, the JPSCS yields a virtually silent cycling action with a dramatic reduction in friction and …

FIREARMS RIFLE PARTS SIGHTS & OPTICS ACCESSORIES SITE FEATURES ABOUT US ORDERS Silent Captured Springs Find the Right SCS For Your Rifle >>> LE/Military Duty …

By all but eliminating the raspy scraping of the buffer spring against the interior of the extension tube, the JPSCS yields a virtually silent cycling action with a dramatic reduction in friction and …

Complete carbine builds are available with either our forged JP-15 ™ or PSC-17 ™ dual-charging upper that includes our 9mm Silent Captured Spring standard. The end result is a system that …

To remove the retainer plunger and spring, you’ll first need to remove the stock and buffer tube from the receiver to gain access, after which you can reinstall the extension tube and stock …

For small-frame rifles, the complete JP LMOS™ system consists of one of our low mass bolt carriers and our lightweight buffer conversion kit, but any LMOS™ component can be installed …

Insert the Buffer Retainer Pin into the receiver oriented as shown. l it retains the buffer retainer pin. The protruding fin should run parallel with the length of the rifle. The lower notch o the pin …

Using the same weights as our Silent Captured Springs, the Variable Mass Operating System (VMOS™) enables mass tunability and improved buffering of your operating system.