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Timber Creek Outdoors built this buffer tube kit to take the guesswork out of finishing an AR-15 lower. Instead of chasing down five separate parts and hoping they play nice together, you get a matched set that goes on the back of your receiver and gets you ready to run an adjustable stock. The Robin's Egg Blue anodized finish is the fun part, but the real value is having everything matched and ready to go in one box.
The heart of this kit is a mil-spec carbine-length receiver extension, which is the standard the vast majority of aftermarket stocks are cut for. That means when you go to slide a collapsible stock onto this tube, you've got the widest range of options out there, from basic carbine stocks to premium adjustable models. Alongside the tube you get a quick disconnect end plate, a castle nut, a carbine buffer, the recoil spring, and the takedown pin. It's the full package to bolt onto your lower and move on to the next step of the build.
Installation is straightforward if you've built an AR before. The tube threads into the rear of the lower receiver, houses the buffer and spring, and gives your stock a rail to ride on. A castle nut wrench and a little attention to staking the nut are all you really need to finish the job clean. If it's your first build, this is one of the easier milestones, and having everything matched from one maker takes some of the pressure off.
One thing worth knowing before you order: buffer weight and spring choice come down to your gas system and barrel, not the tube itself. This is a standard 3-ounce carbine buffer setup, which works great for most 16-inch carbine builds. If you're running a heavier setup or want to color-match the rest of your rifle, Timber Creek offers this kit across a lineup of anodized shades so your whole build can speak the same language.
The kit includes a mil-spec carbine buffer tube, a quick disconnect end plate, a castle nut, a buffer, the recoil spring, and the pin. That's the core hardware needed to finish the rear of an AR-15 lower and get ready to mount an adjustable stock. You supply the stock and a lower parts kit to complete the build.
This is a mil-spec carbine-length tube, and mil-spec is the standard the vast majority of aftermarket AR-15 stocks are cut for. If your stock is labeled mil-spec, you're good to go. Commercial-spec stocks run a slightly larger diameter and won't seat correctly, so confirm which standard your stock uses before installing.
The finish is anodized, which means the color is bonded into the aluminum rather than sprayed on top. That holds up far better to handling and wear than paint would. Timber Creek offers this kit in a full lineup of colors if you want to match it to the rest of your build.
A castle nut wrench is the main tool you'll want, and it makes tightening and staking the castle nut much cleaner. A vise or lower receiver block helps hold things steady while you work. Beyond that, installation is a straightforward job for anyone who has assembled an AR lower before.
| UPC | 816397027823 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | ARBTKRE |
| Product Type | Buffer Assembly |
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