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The KynSHOT RB5006 replaces the dead-weight buffer in your AR-10 with something that works a lot smarter. Instead of leaning on mass alone, it uses a sealed hydraulic design that soaks up energy in both directions: it slows the bolt carrier as it drives rearward, then softens the rebound when the spring sends everything back into battery. That two-stage cushioning is what separates it from a standard buffer, and it's the reason a heavy-recoiling .308 suddenly feels a good bit more civilized off the bench and off the shoulder.
Big-bore ARs punish you in two ways. The carrier smacks the back of the tube hard, then the spring rebounds and slams it forward, and that second phase is where muzzle flip lives. The RB5006 damps both, which keeps the gun flatter and your reticle closer to the target. Felt recoil drops in the 20 to 30 percent range on its own, and pairing it with a good muzzle brake stacks the effect. Beyond comfort, the smoother cycle also cuts bolt bounce as the next round chambers, so you get more consistent lockup and less shock traveling into your optic.
This one is sized for AR-10 and .308 rifles running a Mil-Spec rifle-length A1 or A2 fixed stock buffer tube with 9.5 inches of internal depth, think standard A2 stocks and aftermarket units like the Magpul PRS. It pairs with any standard rifle buffer spring and drops right in as a straight swap for your existing buffer, no gunsmithing needed. Most folks have it done in a couple of minutes with basic hand tools. Before you order, it never hurts to measure your factory buffer so you match the right tube length.
Built from 17-4 stainless steel, the RB5006 is a proven piece that's logged serious rounds with competition shooters and law enforcement. It also plays nice with other cartridges built on the .308 case, so 6.5 Creedmoor, .260 Remington, .243 Winchester, and .338 Federal builds benefit too, as long as you've got the right fixed-stock tube.
It's built for AR-10 and .308 rifles running a Mil-Spec rifle-length A1 or A2 fixed stock buffer tube with 9.5 inches of internal depth. That covers standard A2 stocks and popular aftermarket fixed stocks like the Magpul PRS. The best way to confirm is to measure the buffer that came with your rifle before ordering.
No. The RB5006 works with any standard rifle buffer spring, so you can reuse the spring already in your build. It installs as a straight drop-in replacement for your existing buffer with no gunsmithing.
On its own the RB5006 trims felt recoil by roughly 20 to 30 percent and knocks down most of the muzzle rise. Pair it with a quality muzzle brake and the combined effect gets even more dramatic. Exact results depend on your specific rifle, ammo, and how sensitive you are to recoil.
Yes, it works well with other rounds built on the .308 case family, including 6.5 Creedmoor, .260 Remington, .243 Winchester, and .338 Federal. The only requirement is that your rifle uses the correct rifle-length fixed stock buffer tube. It is not made for 9mm or other short-action AR-15 systems.
| UPC | 854476005041 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RB5006 |
| Color | HYDRAULIC RECOIL BUFFER |
| Length | 7.8500 |
| Model | |
| Product Type | Buffer |
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