INSERT SIZING Select bore size based on paint dimensions, desired air efficiency and weather conditions.
Diameter .679 .681 .683 .685 .687 .689 .691
Length 8.5"
DESCRIPTION
The CRBN Inserts build on the proven PWR™ System. Available in 7 optimized bore sizes
4.9
34 ratings
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Great insert! Very lightweight compared to the aluminum PE inserts
I
IAN · June 1, 2025
Great insert for my GEO R5. Lightweight compared to the PE inserts