The GL-SHOCK PCP Shock Absorbing Buttstock in AR15 /  M4 / M16 style with adjustable cheek rest and built-in dual Picatinny Rails contains a recoil-reducing mechanism with a built-in premium silicon chrome alloy spring creating a State-of-the-Art stock for your rifle or pump gun.
The adjustable Cheek Rest with built-in Dual Picatinny Rails allows optimal buttstock functionality.

Advantages:

• Unique patented “Anti-Rattle” mechanism 
• Sleek new design with no protruding parts, will not get caught on gear and webbing  
• Unique new slick and quick operated inversed positioning lever
• Integral ribbed rubber butt pad with a non-slip design
• Integrated quick detach “QD” sling swivel connectors on both sides
• Watertight battery storage for two CR123A 3V Lithium batteries or AA 1.5 V batteries
• Fits perfectly on both tubes - MIL-SPEC and commercial after-market 
• Made from Mill-Spec reinforced polymer composite.
• Includes adjustable cheek rest GSPCP with built-in dual Picatinny rails allows optimal buttstock functionality
  
• The ideal mounting solution for the SH-5 shell holder
  

Specifications:

• Material: Mill-Spec reinforced polymer composite   
• Weight: 421 g
  
• Width:     66 mm
• Height:    33 mm
  
• Length: 180 mm
• Height (Open / Deployed): 163 mm