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Ejector springs are one of those parts nobody thinks about until a case stovepipes at the worst possible moment. Sprinco built these Enhanced Super Duty springs to take that worry off the table. Each one starts as chrome silicon wire stock that gets heat treated, stress relieved, and cryogenically processed after winding, then plated with a re-micronized molybdenum disulfide formulation. The result is a spring that matches the load of a brand-new Mil-Spec spring and holds that pressure a whole lot longer than the OEM part you're replacing.
This is the Standard Power version, which means it drops in with the same feel as a fresh factory spring, no overpowered ejection that beats up your brass or throws it into the next county. The material and processing are where the value lives. These springs shrug off heat up to 750 degrees Fahrenheit and are built for an extreme duty cycle, so they keep doing their job round after round without going soft. For a lot of folks, this ends up being the last ejector spring a bolt ever needs.
Designed for standard AR-15 bolt carrier groups, this spring also pulls double duty as an AR-15 and AR-10 safety selector detent spring. That makes the 3-pack genuinely useful whether you're chasing down an ejection issue, building fresh, or just want quality spares tucked in the range bag. Builders who run a wide pressure range, like 300 Blackout guns, especially appreciate having consistent, reliable spring pressure they can count on.
Swapping an ejector spring is quick armorer-level work if you've got a punch and a vise block, and it's smart to fit a fresh ejector roll pin any time you drive the old one out. Toss the extra springs in your parts kit and you're set for the next build or the next fix. Made in America, and the kind of upgrade you install once and forget about.
Standard Power means the spring is tuned to match the load of a fresh Mil-Spec ejector spring. It gives you factory-correct ejection feel without over-driving your brass. The upside over a worn factory spring is that it holds that pressure far longer thanks to the chrome silicon material and cryogenic processing.
Yes, they're designed for standard AR-15 bolt carrier groups. They also work as an AR-15 and AR-10 safety selector detent spring, so the 3-pack covers more than one job on your build. If you run something like 300 Blackout across a wide pressure range, consistent ejector pressure is especially worth having.
This listing is for the springs themselves in a 3-pack. It's always good practice to install a fresh ejector roll pin whenever you drive the old one out, since split pins aren't meant for repeat use. Keep a spare roll pin on hand so your swap goes smoothly.
It's straightforward armorer-level work if you've done a little bolt maintenance before. You'll need a punch to remove the ejector roll pin and a way to hold the ejector under spring tension while you reassemble, so a bolt vise block helps. Take your time driving the pin out and back in to avoid marring the bolt.
| UPC | 657780273386 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 27338 |
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