Sure Cycle SC3 Workhorse Carbine Buffer & Spring Kit
$42.90
Built for reliability. Made in the USA.
This isn’t a fancy range toy upgrade. The SC3 Combo is for shooters who need their AR-15 to run, no questions asked. We run these in our own shop guns.
The heart of it is Sure Cycle’s triple-wound, braided buffer spring. It’s cold-drawn, finished with a slick PTFE coating, and designed to cut down on that annoying spring “twang” for a smoother cycle. It pairs with a solid 3-ounce alloy buffer, anodized and laser-etched. At 3.25 inches, it’s the correct carbine length for any standard AR-15 in 5.56/.223 or .300 Blackout.
You get a matched set that reduces wear on your bolt carrier, promotes reliable feeding, and just makes the whole action feel more consistent. If you’re building a serious-duty rifle or replacing a worn-out factory setup, this is the no-nonsense kit you grab off the shelf.
Specifications:
- Buffer: 3 oz. weight, 3.25″ length
- Construction: Alloy case, black anodized finish
- Spring: Triple-wound braided design, PTFE coated
- Compatibility: AR-15 Carbine-length buffer tubes (Milspec)
- Calibers:


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