8.00mm Standard Size (zero or unmarked) For HK Roller Lock Bolt Head
HK spec new unmarked 8.00mm roller that will fit all HK bolt heads including HK91/G3, HK93/33/53, HK94, MP5, SP89 all clones and the Cetme & Cetme clones. An easy way to remember the size you need to order: Plus size rollers increase bolt gap. Minus sized rollers decrease bolt gap. The finest roller on the market made with factory German HK prints and specs.
- HKG3, 91 & PTR
- HK93, 33, 53
- HK MP5, MP5K
- Cetme, C308
- Clones & other HK style roller lock firearms
Each roller is sold separately/individually. Please order 2 units for a pair.