This listing is for 5 breech / barrel o-ring seals for the following Snowpeak air rifle / airguns:
– AP900
– AP900TB
– AP1000
– AP1000TB
– Mercury
– Mercury Compact

Worn seals can result in loss of power and accuracy.
Choose .177 (4.5mm), .22 (5.5mm) OR .25 (6.35mm) caliber