The RISII Screw Pack includes the replacement rail screws required to install a MK18 RISII or M4A1 RISII Handguard. These screws are included with the purchase of a complete rail system and will only be necessary if you damaged or misplaced your original parts.

Included in RISII Screw Pack:

• 4x Long Socket Head Rail Screws
• 2x Short Socket Head Rail Screws
• 6x Flat head Rail Screws with Washers
• Not Included but needed to install:
• 5/32” Allen Wrench
• Flat Head Screw Driver