MRBF - What does MRBF stand for? The Free Dictionary
References in periodicals archive
Product improvement continues to this day at FN Manufacturing, Inc., and reliability of the FN MAG 58 M240 series was eventually increased to an amazing 26,000 MRBF
But even if we didn't allow that, this test would still pass the customary 1,000 MRBF
(mean rounds between failures) that is applied in tests such as those conducted by the FBI.
This equals 20 stoppages per 10,000 rounds, or 500 "mean rounds between failures" (MRBF