Ruger 10/22 Low-Profile Passive Safety Shooting Earmuffs 21dB NRR. The sleek extremely low-profile ear cup design allows for full clearance of firearm stock so the earmuffs will not get in your way while shooting. With the highly rated Noise Reduction Rating (NRR) of 21 decibels the earmuffs will reduce harmful noise levels so you can enjoy your time shooting without damaging your ears. Built with a convenient folding design the Ruger 10/22 Low-Profile Passive Safety Shooting Earmuffs are easy to store into your shooting bag allowing you to be ready for any adventure that comes your way. Specifications for Ruger 10/22 Low-Profile 21dB Passive Safety Shooting Earmuffs: Manufacturer: Ruger Color: Black NRR: 21 dB Quantity: 1 Age Group: Adults Features of Ruger 10/22 Low-Profile 21dB Passive Safety Shooting Earmuffs HEARING PROTECTION: The earmuffs have a highly rated Noise Reduction Rating (NRR) of 21 decibels reducing harmful noise levels from your firearm. ADJUSTABLE: Earmuffs are designed with a padded headband to fit all sizes and are collapsible for easy storage. COMFORTABLE: Designed with a low-profile cup design and a soft foam lining for additional comfort and can be worn for a long period of time. Package Contents: Ruger 10/22 Low-Profile 21dB Passive Safety Shooting Earmuffs Ruger 70571: 10/22 Low-Profile Passive Safety Shooting Earmuffs 21dB NRR