If you're uneasy about drilling into your factory gun stock, this 60mm bottle clamp will easily attach to your 60mm carbon fiber or aluminum bottles. It has rubber pads on the inside to prevent any marring to your bottle. 

This clamp has a 2-inch arca rail at the bottom for you to connect your preferred arca accessories.

Features:

• 6061 T6 aluminum
• Matte black anodize

Compatible with:

FX Carbon Fiber & Steel Bottles
RAW (HM1000X, etc)
Daystate (Redwolf, Airwolf, etc)
Brocock (Commander, Bantam, etc)