$125.99
1 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
Randy Luth spent close to four decades in the AR world before putting his name on his own shop, and the CS-T3 is exactly the kind of no-nonsense part that reputation is built on. This is the H3, the heaviest of the standard carbine-length buffers, running three tungsten slugs for a total weight of 5.4 oz (0.35 lb). That extra mass is the whole point. It slows the rearward speed of your bolt carrier group and softens the hit when the carrier bottoms out, which translates to less felt recoil, flatter muzzle behavior, and a rifle that feels smoother in rapid fire.
Think of this as a targeted fix rather than a default upgrade. The H3 shines in overgassed 5.56 carbines, short-barreled builds, and rifles running a suppressor, where all that extra backpressure speeds the carrier up and makes an otherwise fine gun feel harsh. It's also a smart move for heavier calibers on a carbine tube like .300 Blackout and 7.62×39, which dump more energy into the system than standard .223 does. If your brass is flying forward hard or the action feels violent, stepping up to the H3 is one of the simplest ways to bring things back into a good rhythm.
The design here is drop-in simple. Same overall size as a standard carbine buffer, just heavier internals thanks to the denser tungsten weights, so it slides right into any carbine-length receiver extension without a fitment fuss. Worth noting up front: this is built for carbine buffer tubes, not rifle-length extensions, so make sure your setup uses a carbine tube before ordering.
A buffer is one lever in a bigger system. If a rifle is badly overgassed, an adjustable gas block and a quality spring do a lot of the heavy lifting too. But when you've got a functional gun that just runs a little hot, the CS-T3 is an easy, affordable way to nudge it toward that smooth-and-reliable sweet spot without tearing into the upper.
The H3 is the heaviest common carbine-length option at 5.4 oz, adding nearly three ounces over a standard carbine buffer by swapping steel slugs for denser tungsten. That extra mass slows the bolt carrier's rearward travel and softens the impact when it bottoms out. The result is less felt recoil, reduced muzzle rise, and less wear on internal parts in setups that run hot.
It can be more weight than a well-tuned 16-inch gun needs, since those often run happily on a carbine or H1. The H3 really shines in overgassed builds, short barrels, suppressed rifles, and heavier calibers like .300 Blackout or 7.62×39 on a carbine tube. If your rifle cycles violently or throws brass hard forward, it's a worthwhile step up, but confirm your gun still locks back reliably after installing it.
No. The CS-T3 is a carbine-length buffer built for carbine receiver extensions and carbine buffer tubes. It will not fit rifle-length extensions or rifle buffer tubes, so check which type your stock uses before ordering.
Installation is drop-in simple and requires no special tools. It's the same overall length as a standard carbine buffer, just heavier inside, so it slides right into any carbine-length tube. You can run it with your existing carbine spring, though pairing a heavier buffer with a quality spring gives you the most consistent results.
| UPC | 859819007225 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | CS-T3 |
| Product Type | Buffer |
You must be logged in to post a review.
Reviews
There are no reviews yet.