Post 2K Pump Kit (1) Pre 2K Pump Kit (1) Trilogy Pump Kit (1)
Markers that are after the year 2000(post 2K) use a banjo bolt used to hold the front block.
This banjo is smaller then a dime
Markers that are before the year 2000(pre 2K) use a banjo bolt to hold the front block.
This banjo bolt is smaller than a dime.
Trilogy autocockers do not use a banjo bolt. Instead, look for a barb on the front regulator.