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The SBA3 is SB Tactical's most popular adjustable AR pistol brace, and it earns that reputation by keeping things simple. This OD Green version pairs a slim minimalist polymer shell with a five-position adjustment system, so you can dial in your length of pull the same way you would on a standard carbine setup. At right around 6.75 ounces, it adds almost nothing to your build while still giving you a repeatable, stable interface every time you bring the pistol up.
The five length settings run roughly 6.75, 7.6, 8.25, 8.75, and 9.5 inches, with a cavity depth of 6 inches, so there's plenty of range to fit different arm lengths and shooting stances. An adjustable one-inch nylon strap wraps around your forearm for retention, and the integral ambidextrous QD sling socket lets you clip in a sling from either side without bolting on extra hardware. That low-profile design is a big reason builders keep coming back to it over bulkier options.
This is the brace-only SKU, so the receiver extension is not included. The SBA3 is built to drop onto any mil-spec carbine buffer tube, which means it works with the tube your build already runs. One thing worth knowing going in: getting the adjustment pin to clear the tube on the first install can take a firm pull on the lever assembly, and it loosens up and gets easier after a few cycles. If you're starting from a bare lower, you'll also want a castle nut, carbine spring, and buffer weight to finish the job.
Beyond the function, the olive drab finish gives your pistol a distinctive look that breaks away from the usual black-on-black. It's US veteran designed and made in the USA, and it's been adopted by well over a hundred manufacturers since its release, which tells you plenty about how well it holds up in real-world use. If you want a proven, lightweight, no-nonsense brace, the SBA3 is a smart pick.
No, this SKU is the brace on its own and does not include a receiver extension. It's designed to slide onto any mil-spec carbine buffer tube, so you can use the tube your build already runs. If you're building from a bare lower, you'll also need a castle nut, carbine spring, and buffer weight to complete the install.
The SBA3 is made to fit any standard mil-spec carbine receiver extension, which covers the vast majority of AR pistol builds. Fitment can feel slightly tighter or looser depending on the specific tube's tolerances since extensions vary a bit between manufacturers. In most cases it drops right on with no modification needed.
It offers five positions of length-of-pull adjustment, giving you the same flexibility as a standard carbine stock. That lets you set the brace up for different arm lengths and shooting stances. The length settings run from about 6.75 inches out to 9.5 inches.
Yes, that's common on the first install. Instead of just working the lever, grab the whole lever assembly and pull it firmly to lift the pin high enough to clear the tube. It gets noticeably easier after you've cycled it a few times.
| UPC | 699618783445 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SBA3X-04-SB |
| Color | Olive Drab Green |
| Model | |
| Product Type | Stabilizing Brace |
| Shipping Weight | 0.75 |
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