My range experience with the Peltor Sporttac series is they are OK for a limited amount of shooting or hunting, not enough muff for a day of RO duties. These have the same cup seals as the bigger Tactical Pro series from Peltor and same headband setup but way less protection. The Tactical Pros are industrial Grade 5 rated and comfortable for everything being shot on the range while standing behind the firing point as Range Officer. The size of the earmuff cups really affect the sound reduction performance especially with impulse noise.
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