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Product no.: 452000216
Mfr. No.: JPSCS210KH2
812872024042 The Gen 2 Drop-in captured-spring recoil system helps your AR function more smoothly and quieter without any permanent modifications. The carefully balanced, custom-ground buffer spring, combined with the JP LMOS buffer, greatly reduces friction and vibration - say goodbye to the annoying “spoon over a cheese grater” noise of conventional springs and buffers. Fits buffer tubes for both M4-style collapsible stocks and also, using the included spacer, the longer tubes for fixed rifle stocks. The H2 buffer is heavier than the standard spring. The buffer includes two Tungsten weights in addition to one steel weight. Weighing approximately 4.7 oz. Recommended for use in Short-barreled rifles, suppressed firearms, select fire rifles, and piston-operated rifles. The Auxiliary Spring Rate Kits for the JP Silent Captured Spring allow custom tuning of the device to a given rifle. While the default spring offers the best performance for the widest range of configurations, a simple disassembly and reassembly of the JPSCS with a slightly different spring rate can yield truly optimized performance, particularly for rifles without an adjustable gas block. The Heavy Spring System Version have Tungsten Weights and are recommended for Short-Barreled Rifles, Suppressed Weapons, Rifles with an H2/H3 Buffer, Select-Fire Rifles, and Piston-Operated Rifles. Benefits of the Gen 2 Silent Captured Spring include: New aluminum guide rod cuts overall weight Heavier masses translate to more buffering mass and chance of bolt bounce Full correspondence between SCS masses and H1, H2 and H3 buffers Additional mass added to both AR-10 and 9mm models for better, broader function Interchangeable buffers allow conversion between AR-15 and AR-10 models (and vice versa) Includes spacer to allow for installation in both carbine-length and rifle-length buffer tubes.Delivery time approx. 7-14 days.
The Gen 2 Drop-in captured-spring recoil system enhances the functionality of your AR by providing a smoother and quieter shooting experience without any permanent modifications. This innovative system features a carefully balanced, custom-ground buffer spring paired with the JP LMOS buffer, significantly reducing friction and vibration. Say goodbye to the disruptive “spoon over a cheese grater” noise commonly associated with conventional springs and buffers.
This system is compatible with buffer tubes for both M4-style collapsible stocks and, by using the included spacer, the longer tubes designed for fixed rifle stocks. The H2 buffer is heavier than the standard spring, incorporating two Tungsten weights along with one steel weight, and weighs approximately 4.7 oz. It is recommended for use in:
The Auxiliary Spring Rate Kits for the JP Silent Captured Spring allow for custom tuning of the device to suit specific rifle needs. While the default spring delivers optimal performance across a wide range of configurations, a simple disassembly and reassembly of the JPSCS with a different spring rate can yield truly optimized performance, particularly for rifles lacking an adjustable gas block.
The Heavy Spring System Version includes Tungsten Weights and is recommended for:
Key benefits of the Gen 2 Silent Captured Spring include:
Includes a spacer for installation in both carbine-length and rifle-length buffer tubes.
AR .308
Fails to function. 12/06/2018
Item is listed to function proper with Piston system but will not work with my LWRC CSASS .308. I have tried all 22 gas settings suppressed and un-suppressed and still will not function. It will not lock the bolt back on last round. FGM 168 FGM 175 and a handful of other loads. I also emailed the MFG two times within 3 weeks with no replies to a possible solution. Returning the Spring to Brownells for a refund.
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