
Availability: In Stock
The JP Enterprises Silent Captured Spring Gen 2 is a drop-in recoil system engineered to smooth out the harshness of standard AR-15 buffer springs without any permanent modifications to your rifle. If you've ever winced at that grating spring noise during dry fire or at the bench, this captured-spring setup trades it for noticeably quieter, more controlled cycling. The Gen 2 combines a custom-ground buffer spring with JP's LMOS buffer to reduce friction and vibration across a wide range of AR platforms and configurations.
Versatility is built in. The system ships with a spacer that lets you run it in both M4-style carbine-length tubes and longer rifle-length tubes for fixed stocks. You also get three stainless steel weights, so you can dial in the spring rate to your specific rifle—particularly useful if you're running without an adjustable gas block and want truly optimized performance. The new aluminum guide rod keeps overall weight down, and the weights themselves correspond to standard H1, H2, and H3 buffer masses, making the system fully interchangeable between AR-15 and AR-10 builds.
This isn't just a noise fix; it's a tuning platform. The default spring handles the widest range of setups straight out of the box, but the modular design means you can swap spring rates or experiment with different weight configurations as your build evolves. For shooters and hunters who spend time at the range, in the field, or simply value a smoother, quieter rifle, the Gen 2 Captured Spring delivers tangible improvements without gunsmithing.
| Brand | JP Enterprises |
| Product | Silent Captured Spring Gen 2 |
| Type | Drop-in recoil system |
| Guide Rod Material | Aluminum |
| Weights Included | Three stainless steel weights |
| Standard Buffer Weight | Approximately 3.0 ounces |
| Buffer Tube Compatibility | M4 carbine-length and rifle-length (with included spacer) |
| Platform Compatibility | AR-15 and AR-10 (interchangeable buffers) |
Yes. The Gen 2 Captured Spring ships with a spacer that allows installation in both M4-style collapsible buffer tubes and the longer tubes used with fixed rifle stocks.
Yes. The buffers and weights are interchangeable between AR-15 and AR-10 models, so you can use this system across both platforms.
The package includes the Gen 2 Silent Captured Spring assembly, an aluminum guide rod, three stainless steel weights, and a spacer for buffer tube compatibility.
No. The system works as a drop-in with the standard spring rate across most AR configurations. However, if you don't have an adjustable gas block, swapping to a different weight can help you dial in optimized performance for your specific rifle.

SKU: 167528809 • Weight: 0.5oz





Availability: In Stock
The JP Enterprises Silent Captured Spring Gen 2 is a drop-in recoil system engineered to smooth out the harshness of standard AR-15 buffer springs without any permanent modifications to your rifle. If you've ever winced at that grating spring noise during dry fire or at the bench, this captured-spring setup trades it for noticeably quieter, more controlled cycling. The Gen 2 combines a custom-ground buffer spring with JP's LMOS buffer to reduce friction and vibration across a wide range of AR platforms and configurations.
Versatility is built in. The system ships with a spacer that lets you run it in both M4-style carbine-length tubes and longer rifle-length tubes for fixed stocks. You also get three stainless steel weights, so you can dial in the spring rate to your specific rifle—particularly useful if you're running without an adjustable gas block and want truly optimized performance. The new aluminum guide rod keeps overall weight down, and the weights themselves correspond to standard H1, H2, and H3 buffer masses, making the system fully interchangeable between AR-15 and AR-10 builds.
This isn't just a noise fix; it's a tuning platform. The default spring handles the widest range of setups straight out of the box, but the modular design means you can swap spring rates or experiment with different weight configurations as your build evolves. For shooters and hunters who spend time at the range, in the field, or simply value a smoother, quieter rifle, the Gen 2 Captured Spring delivers tangible improvements without gunsmithing.
| Brand | JP Enterprises |
| Product | Silent Captured Spring Gen 2 |
| Type | Drop-in recoil system |
| Guide Rod Material | Aluminum |
| Weights Included | Three stainless steel weights |
| Standard Buffer Weight | Approximately 3.0 ounces |
| Buffer Tube Compatibility | M4 carbine-length and rifle-length (with included spacer) |
| Platform Compatibility | AR-15 and AR-10 (interchangeable buffers) |
Yes. The Gen 2 Captured Spring ships with a spacer that allows installation in both M4-style collapsible buffer tubes and the longer tubes used with fixed rifle stocks.
Yes. The buffers and weights are interchangeable between AR-15 and AR-10 models, so you can use this system across both platforms.
The package includes the Gen 2 Silent Captured Spring assembly, an aluminum guide rod, three stainless steel weights, and a spacer for buffer tube compatibility.
No. The system works as a drop-in with the standard spring rate across most AR configurations. However, if you don't have an adjustable gas block, swapping to a different weight can help you dial in optimized performance for your specific rifle.
SKU: 167528809 • Weight: 0.5oz
