Barrel Harmonics Testing – Part 4

The testing continues as we try nine different muzzle devices on the 6.5 Grendel AR-15.

Barrel Harmonics playlist: https://www.youtube.com/watch?v=h407yVskVeM&list=PLTTrjvDib94nU_tm8sminzz9KFhBCKJA4
Optimal Barrel Time Paper: http://www.the-long-family.com/OBT_paper.htm

Our test devices:
LimbSaver Sharpshooter X-Ring Barrel Deresonator 1.1oz
Mr. Lump 25oz
Mrs. Lump 18.3oz
Lump Jr. 12.2oz
Little Lump 9.6oz
Baby Lump 6.3oz
Krinkov Style Brake 9.1oz
Precision Armament M11 5.6oz
Harrell’s Precision Tuner Brake 5.1oz
DPMS Miculek Brake 4.1oz
Silencerco Flash Hider 3.4oz
Silencerco Brake 3.4oz
Precision Armament M4-72 3.1oz
Procomp 762 3.1oz
VG6 Gamma 65 2.4oz

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