The Gamo C-15 Bone Collector is a blowback air pistol chambered in .177 caliber that accepts both pellets and BBs. It has a 16-round capacity and operates in single/double action. The pistol comes in a Black/OD finish with a blowback mechanism for realistic cycling. 
 

Key Specifications 

• Brand: Gamo 
• Model: C-15 Bone Collector 
• Caliber: .177 
• Action: Semi Auto 
• Capacity: 16 rounds 
• Color/Finish: Black/OD 
   

Detailed Features 

• .177 caliber dual ammo: pellet and BB compatible 
• 16-round capacity 
• Blowback action for realistic slide cycling 
• Single/double action trigger 
• Black/OD color combination

Owners of the Gamo C-15 Bone Collector note the blowback mechanism and dual-ammo compatibility as the main draws. The ability to run both pellets and BBs gives more flexibility for practice and plinking, and the blowback cycling adds a tactile element that straight-blow pistols lack.

The SA/DA trigger gets mixed reviews. Single-action pull is generally liked; double-action is heavier and less consistent, which is typical for air pistols in this segment. Owners who use it primarily for target practice tend to stick to single-action.

For value, the C-15 Bone Collector is positioned as a practice and recreation platform. Owners who want a backyard plinking pistol find it satisfying. Those expecting precise target accuracy note the open sights limit fine shooting, and CO2 consumption at higher fire rates draws some complaints about cost per session.