Holex Feeler Gauge Set - 20 Piece - German

The perfect companion tool for all HK roller lock firearm owners. Each tool includes 20 feeler gauges from .05mm-1.0mm in .05 increments. To help users and shooters maintain the factory recommended bolt gap. This is the exact same tool set used in the HK armorer classes. If you need to work on HK firearms this tool set is a must have item. Each German tool works with all HK 90 series family of firearms that belong to the 90 series or legacy series of firearms that are roller locked delayed blow back such as the following:

• HK G3, 91, SR9, SAR8, CETME
• HK MP5, 94, MP5K, SP89
• HK93, 33, 53
• Other HK style clones & customer builds

Specs of each bolt gap tool:

• Hard spring steel blades 100mm in length, 12mm at widest
• Each of the 20 blades is clearly labeled
• Tapered steel edges encased in a nickel plated cover with locking clamp
• Made in Germany and the factory HK tool set used in armorer's classes
• Equal width steel blades, pivoted on a riveted joint to fold and tuck neatly
• Class T2 accuracy
• Each set comes in a plastic case for storage

As covered in the factory MP5 maintenance manual head space is correct when the bolt gap between the bolt head and the bolt carrier amounts to 0.1-0.5mm. It may NOT be possible to introduce the 0.5mm feeler gauge. Anything lower than 0.1mm should be adjusted to be in compliance with factory HK recommendations.A must have part if you work on or own any HK firearms!