TAP SBR® ammunition is designed specifically for the 10.5-12.5” short-barreled rifles. By utilizing proprietary propellants and specially designed bullet technology, TAP SBR® provides exceptional performance in suppressed or unsuppressed SBR’s. The specialized propellants used provide virtually no flash or residue, and dramatically reduces sound signature, while delivering uniform velocity and accuracy. The monolithic bullet offers exceptional penetration and terminal performance at the reduced, short-barreled velocities. TAP SBR® is the optimum choice for 10.5"-12.5" barreled 5.56 rifles.