This video from Precision Rifle Network tests the effectiveness of a TMB barrel tuner at 300 yards. The presenter demonstrates how a barrel tuner can manually affect barrel harmonics to improve the accuracy of factory match-grade ammunition, which can sometimes be only moderately accurate. The video showcases results from testing various types of ammunition and encourages viewers to share their experiences with TMB barrel tuners in the comments. It also highlights sponsorships from Cole-Tac and Modular Driven Technologies, and lists various rifle-related products and resources.
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