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The Armaspec SRS Buffer Kit H2 Gen 4 packs a full stock-mounting setup and a genuine recoil upgrade into one package. You get a mil-spec 7075-T6 6-position buffer tube, a steel castle nut, and an end plate, plus the star of the show: the Stealth Recoil Spring in the H2 weight. It's the kit to grab whether you're finishing a fresh AR-15 build or breathing new life into a rifle that still runs the factory buffer and spring.
Instead of the usual buffer-and-spring combo, the SRS is a self-contained, multi-stage unit that drops right into the buffer tube. The design keeps the spring from dragging against the inner wall of the tube, so you get smoother, quieter cycling and that trademark AR "sproing" pretty much disappears. The second stage is where the recoil reduction happens, and folks who run these consistently mention softer felt recoil and easier follow-up shots. The guide rod also helps stabilize the carrier's travel, so everything moves straight back and straight forward with very little wobble.
This kit ships with the H2 buffer, which carries an equivalent weight of 4.7 oz and runs around 7.4 oz as a complete system with the stainless steel weight. H2 is a solid middle-ground choice that pairs well with a lot of carbine gas systems and helps tame over-gassed setups without slowing things down too much. It fits AR-15 platforms running a carbine-length buffer tube and works with most mil-spec receivers.
The Gen 4 version cleaned up a few things under the hood. Armaspec swapped the screw for a roll pin across the plastic end piece, machined the cap onto the rod, and replaced the snap ring with a washer, all aimed at knocking out potential failure points. It's proudly made in the USA and backed by Armaspec's lifetime warranty, so it's built to log a lot of rounds.
The kit includes everything needed to mount a collapsible stock and upgrade your recoil system in one box. You get a mil-spec 7075-T6 6-position buffer tube, a steel castle nut, an end plate, and the SRS Gen 4 Stealth Recoil Spring in the H2 weight. It's a complete solution for a new build or an upgrade to an existing rifle.
H2 carries a 4.7 oz equivalent weight, which makes it a great middle-ground pick that works with a lot of carbine-length gas setups. It's especially handy for taming an over-gassed rifle and smoothing out the recoil impulse. If your build runs particularly light or heavy, you can always compare it against the C, H, or H3 options to fine-tune.
The SRS is a self-contained, multi-stage unit that replaces your standard buffer and spring. It keeps the spring from rubbing the inner wall of the buffer tube for smoother, quieter cycling, and the second stage soaks up recoil to soften the felt impulse. Many owners notice reduced muzzle movement and quicker, more accurate follow-up shots.
Not at all, it's a drop-in design that goes right into the buffer tube in place of your factory buffer and spring. Most people run the SRS without the buffer retainer for easier maintenance, though it works with the retainer too. Just make sure the polymer bumper faces the rear and the weight faces the bolt carrier.
| UPC | 810048492855 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | ARM263-H2 |
| Color | Black |
| Model | |
| Product Type | Buffer Tube Complete Assembly |
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