AR-15/M16 HEAVY DUTY EXTRACTOR SPRING Reviews & Ratings

Extra-strong extractor spring increases extractor’s grip on case groove and helps ensure reliable, complete extraction. Especially effective for improving reliability of an AR-15 style carbine, pistol, or short barreled rifle (SBR) where a weak extractor spring can cause extractor lift, leading to failure to fully extract the spent case before the fresh round is fed from the magazine, resulting in a stoppage. Heavy-grade, high-quality spring steel and a proprietary heat-treating process ensure long service life with less weakening over time than ordinary springs. SPECS: Tempered spring steel. Fits all AR-15/M16/M4-style rifles, carbines, and pistols.

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Heavy Duty for sure

This HD extractor spring works great when a conversion from .223/5.56 to 300 Blackout is performed.

The cure for what ailes your SBR

Used this spring on several SBR builds. Works perfectly. Adds enough tension to facillitate reliable extraction everytime. In my opinion, it works better than adding an O-ring around your exsisting spring.