SCAR® compatible barrel extention screws made with hyper tough S7 Tool Steel for unparalled durability. The Imperial Arms Co SCAR® compatible barrel extention screws are the perfect component for your Cypher built, or factory SCAR® upgrade.
How many do I need?
- 6 x barrel extension screws are used on the SCAR 16S and 17S
- 8 x barrel extension screws are used on the SCAR 20S
