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Buffer springs ?


Geth Prime
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2019 Supporter
2020 Supporter
Also Wolff, JP Enterprises, and SpringCo extra power springs:




I've used both the Wolff and Springco springs to help tune over-gassed 7.62x39 AR uppers where an adjustable gas block was too restrictive (even wide open). If you are handy, an adjustable gas block is a much more effective way of dealing with overgassed uppers.


Aim Small Miss Small

Tubb Precision springs are duty rated for 500,000 compression cycles at maximum performance.

Enhanced rifle performance - Due to the superior nature of the materials used, Tubb Precision Stainless Steel Flatwire Buffer Springs have the same power as conventionally constructed "extra power" springs, yet provide that extra energy using a lighter spring weight. Correct timing and resistance on the recoil stroke and a controlled rebound ensures reliable feeding with consistent forward thrust. The result is that the rifle functions flawlessly and stays on target better.

With the Tubb Precision Flatwire Buffer Spring, the bolt will remain locked a little longer, allowing pressures more time to subside. This means getting those heavy bullets to needed velocities can be more readily accomplished. Tubb Precision Stainless Steel Springs cure spring induced malfunctions for the life of the rifle.

Unaffected by temperature - Music wire and carbon steel springs are adversely affected by temperatures as low as only 175° F. Tubb SS Springs perform flawlessly in excess of 700° F. Performance and function will not change during rapid fire conditions.

Perfect consistency - Tubb Precision Flatwire Buffer Springs are made to Stringent 9002 Quality Control Standards. Certified materials use, and our exclusive post-winding processing guarantees true, consistent performance. Conventional AR15 buffer springs are notorious for exhibiting wide variances in installed load height, compression and rebound performance, and even length.


Obsessed Member
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2020 Supporter
Just personal experience, the M1A/M14 Tubbs oprod spring is great, I’d replace the factory spring right away with those and never any problems. Just kind of forget its there. The flat wire one for the AR, garbage or at least the two I tried, one Carbine and one Standard.

It‘s been awhile but I remember especially in the Carbine, 16” M4 I started having issues almost immediately, failure to feed, short stoking, stove piping. Switched back to the factory spring and just as fast the gun ran fine. Your mileage may vary of course but I’d avoid that one.