January 25th, 2013

Taming the Beast: McMillan’s Hydraulic 50 BMG Recoil Reducer

McMillan Recoil Reduction

At MEDIA Day 2013, we checked out McMillan’s interesting hydraulic recoil mitigation system for the TAC-50 tactical rifle. Named the TAC-50 A1-R2, this shock-absorbing device reduces the peak recoil from the 50 BMG cartridge by approximately 90 percent (90%). Additional recoil reduction is provided by the proprietary muzzle brake offered on the TAC-50 A1-R2.

McMillan hydraulic recoil reducer

The heart of the new TAC-50 A1-R2 recoil mitigation system is a proprietary hydraulic piston in the buttstock. As the rifle is fired, the piston compresses, softening the recoil by lowering the peak recoil force and spreading out the recoil over several milliseconds. The sensation for the shooter is that of a long push, rather than a violent punch.

Without the R2 recoil mitigation system, the peak recoil from a 50 BMG cartridge is approximately 7,500 lbs. of force. From start to finish, the recoil lasts 1 millisecond in a machine rest. With the R2 system, the peak recoil is only approximately 520 lbs. of force. What’s more, the force is spread out over 6 milliseconds. While the total recoil energy is roughly the same, the hydraulic piston lowers the perception of recoil dramatically for a shooter by lowering the peak force and spreading the recoil out over time.

McMillan hydraulic recoil reducer

McMillan hydraulic recoil reducer

McMillan developed the new R2 system in partnership with customers using the TAC-50 weapons system. Extensive testing with electronic load sensors and high speed photography documented the recoil mitigation. The result is a 50-Caliber rifle that is significantly more comfortable to shoot.

McMillan hydraulic recoil reducer

Story Tip by Ed LongRange. We welcome reader submissions.

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