Buy it @ Brownells (Click Here)

"This is a good stock option for our Heatseeker chassis for the Ruger American.  Well made, reasonable price." - JSharps

From MDT:

The MDT Composite Carbine Stock, or CCS, is designed to allow maximum adjustability while minimizing weight, allowing the shooter to optimize ergonomics for multiple shooting positions.
The CCS is a durable, lightweight polymer buttstock with easy adjustments. The CCS balances adjustability, strength, and affordability.

• Composite polymer body
• Anodized aluminum buffer tube and cheek riser posts
• M-LOK attachment slot on bottom surface
• Length: 10.6” - 11.6”
• Weight: 1.41lbs