Product tech details: 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. Mfg american firearms mfg co/ afmc specs tempered spring steel. Fits all ar 15/m16/m4 style rifles carbines and pistols. Ar 15/m16 Heavy Duty Extractor Spring, high quality rifle extractor springs by American Firearms. MPN: BT40015HD. Shooting Supplies SKU: 100004041 10855.
 Indicative Price: USD 7.99
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