TAP SBR is designed specifically for 10.5"-11.5" SBRs by using proprietary propellant technology and a bullet designed with technology from Critical Duty FlexLock bullets. TAP SBR is designed to provide exceptional ammunition performance in SBR's suppressed or unsuppressed, with virtually no flash or residue, dramatically reduced sound signature, no fouling or overheating of suppressors, uniform velocity and accuracy, and a controllable rate of fire in automatic platforms.