PURPOSE
Give the perfect balance point to your MPA BA Comp/Matrix/Matrix Pro Chassis when combined with the MPA Competition Side Rails
Added weight Reduces recoil and adds stability
Textured Top for Maximum Grip when driving your rifle
 
PLEASE READ Prior to Purchase:
MPA Competition Side rails are required for use with BA Comp / Hybrid and the Matrix/ESR chassis models
No added parts required for Matrix Pro / Vanquish.
The Matrix Pro / Vanquish Side rail weights and Side Rail XL weights will bolt directly to the chassis.