Silent Captured Spring Builder Kit

JP Enterprises Silent Captured Spring Builder Kit GEN 2

The Gen 2 drop-in captured spring recoil system helps your AR operate more smoothly and quietly without permanent modifications. The carefully balanced, specially ground buffer spring, combined with the JP LMOS buffer, significantly reduces friction and vibration—say goodbye to the annoying “spoon scraping a cheese grater” noise of conventional springs and buffers. Fits both buffer tubes for M4 folding stocks and, with the included spacer, longer tubes for fixed stocks.

The Auxiliary Spring Rate Kits for the JP Silent Captured Spring allow for custom tuning of the device to a specific rifle. While the standard spring offers the best performance for a wide range of configurations, simply disassembling and reassembling the JPSCS with a slightly different spring rate can lead to truly optimized performance, especially for rifles without an adjustable gas block.

Benefits of the Gen 2 Captured Silent Springs include: New aluminum guide rod reduces overall weight. Comes with three stainless steel weights. Heavier weights mean more buffer mass and the potential for the bolt to bounce. Full compatibility between SCS weights and H1, H2, and H3 buffers. Interchangeable buffers allow conversion between AR-15 and AR-10 models (and vice versa) Includes spacers to allow installation in both carbine and rifle buffer tubes, as well as three stainless steel weights.

The standard buffer weight is approximately 3.0 ounces.

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