Description
Roller +3 – New – 8.03mm
HK Parts Standard (8.03 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.
Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head.
An easy way to remember the size you need to order – plus-size rollers increase the bolt gap and minus-sized rollers decrease the bolt gap.
