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The Stealth Recoil Spring H3 Gen 4 is built around one simple idea: replace your standard buffer and spring with something that actually feels and sounds better when you shoot. This self-contained system swaps in where your factory buffer and spring used to be, but works completely differently. Instead of a loose spring rattling around inside your buffer tube, the SRS uses a sealed design that keeps everything under control. The result is noticeably smoother cycling with zero spring noise.
What sets this apart from basic buffers is the dual-spring architecture. The H3 weight (5.6 oz equivalent) pairs with Armaspec's two-stage spring system to manage recoil progressively. When you fire, the first spring stage absorbs the initial impulse, then the second stage kicks in to prevent that harsh mechanical slam at the end of the cycle. You feel less muzzle flip and less back-push into your shoulder compared to standard buffers. The buffer mass stays under constant tension against the bolt carrier, which means your action stays straight and controlled throughout the cycle.
Drop-in installation takes about two minutes if you're comfortable with basic AR maintenance. Just remove your old buffer and spring, then slide in the SRS. Most people run it without the buffer retainer since the self-contained design doesn't need one, which actually makes future maintenance easier. The Gen 4 version uses a roll pin design instead of the older screw configuration, making it more reliable for repeated assembly and disassembly. The H3 weight hits the sweet spot for most 5.56 builds, though if you're running an AR pistol or a rifle with an adjustable gas block, Armaspec offers lighter or heavier options to dial in your specific setup.
Armaspec manufactures these domestically and backs every unit with a lifetime warranty. The complete assembled system weighs 8.0 ounces and is 7.18 inches long for carbine-length buffer tubes. If you've been chasing that quieter, smoother AR experience, this is one upgrade that delivers on both fronts without breaking the bank.
No, the SRS is self-contained and keeps constant tension on the bolt carrier without needing a buffer retainer. Most people run it without the retainer for easier maintenance, though it can be installed either way depending on your build.
The H3 (5.6 oz equivalent) works well for most standard 5.56 AR builds. If you're running an AR pistol or suppressed rifle, you might prefer the lighter H or H2. If your gun runs sluggish, the heavier H3 typically helps smooth out the cycle without over-buffering.
It eliminates the annoying twang and metallic rattle you hear with stock springs. You'll still hear the action cycle since the bolt and carrier moving will always make some sound, but the spring noise that rings inside the buffer tube is gone. The difference is noticeable, especially with a suppressor.
The dual-spring design spreads the recoil energy over two stages instead of one harsh impact. The first spring absorbs the initial impulse, then the second stage prevents that final mechanical slam. This progressive braking reduces muzzle flip and back-push noticeably, especially in rapid-fire sequences.
| UPC | 810048492787 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | ARM253-H3 |
| Color | Black |
| Length | 10.9500 |
| Model | |
| Product Type | Buffer |
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