1. Introduction
This manual provides essential instructions for the safe and proper use, maintenance, and troubleshooting of your Gamo Bone Collector C-15 Blowback CO2 Air Pistol. Please read this manual thoroughly before operating the air pistol. Retain this manual for future reference.
The Gamo C-15 Bone Collector is a semi-automatic CO2 air pistol designed for target practice. It features a blowback action for a realistic shooting experience and can fire both .177 caliber pellets and steel BBs using an 8x2 double clip system. It is powered by a 12-gram CO2 cartridge and includes a Weaver-style rail for accessory mounting.
Image 1.1: Gamo Bone Collector C-15 Blowback CO2 Air Pistol.
2. Safety Warnings
WARNING: This air pistol is not a toy. Misuse or careless use may cause serious injury or death. Always handle with extreme caution.
- Always treat the air pistol as if it were loaded.
- Keep the muzzle pointed in a safe direction at all times.
- Keep your finger off the trigger until ready to shoot.
- Always wear appropriate eye protection when handling or shooting the air pistol.
- Ensure your target area is safe and free from obstructions or potential ricochet surfaces.
- Never shoot at hard surfaces or water, as ammunition may ricochet.
- Store the air pistol unloaded and separate from ammunition and CO2 cartridges, in a secure location inaccessible to children and unauthorized users.
- Do not alter or modify the air pistol.
- Be aware of and comply with all local, state, and federal laws regarding air guns.
Legal Disclaimer: You must be 18 years or older to buy any air gun. This product cannot be shipped to New York City and its boroughs, Philadelphia, PA, and Washington D.C. Residents of Chicago, IL cannot buy CO2 powered rifles, pistols or revolvers directly from us. Residents of New Jersey can buy BB guns through a designated local gun store after acquiring an Airgun Permit.
3. Package Contents
Verify that all components are present upon unpacking:
- Gamo Bone Collector C-15 Blowback CO2 Air Pistol
- Instruction Manual (this document)
4. Setup
4.1. Installing the CO2 Cartridge
- Ensure the air pistol is unloaded and the safety is engaged.
- Locate the CO2 cartridge compartment in the grip.
- Open the grip cover to expose the CO2 chamber.
- Insert one 12-gram CO2 cartridge into the chamber with the narrow neck facing upwards.
- Tighten the piercing screw at the bottom of the grip until the cartridge is pierced and sealed. Do not overtighten.
- Close the grip cover securely.
Image 4.1: Proper installation of a 12-gram CO2 cartridge.
4.2. Loading Ammunition (Pellets or BBs)
- Ensure the air pistol is unloaded and the safety is engaged.
- Press the magazine release button to remove the magazine from the grip.
- The C-15 uses an 8x2 double-sided rotary magazine. Each side holds 8 rounds.
- To load pellets: Insert .177 caliber pellets into each chamber of the rotary clip, ensuring they are seated flush.
- To load BBs: Insert .177 caliber steel BBs into each chamber of the rotary clip.
- Once one side is loaded, you can flip the magazine to load the other side for a total of 16 rounds.
- Insert the loaded magazine back into the grip until it clicks into place.
Image 4.2: Loading pellets or BBs into the double-sided magazine.
5. Operating Instructions
5.1. Firing the Air Pistol
- With the CO2 cartridge and ammunition loaded, ensure the safety is engaged.
- Point the air pistol at a safe target.
- Disengage the safety.
- Align the sights with your target.
- Place your finger on the trigger and slowly squeeze to fire. The blowback action will simulate recoil and cycle the slide.
- After firing 8 rounds, remove the magazine, flip it to the other side, and reinsert to continue shooting.
- When finished shooting, engage the safety and remove the magazine.
Image 5.1: Demonstrating proper aiming technique with the Gamo C-15.
5.2. Engaging/Disengaging Safety
The safety mechanism is typically located near the trigger guard or on the slide. Refer to the markings on your specific model for 'Safe' and 'Fire' positions. Always engage the safety when not actively shooting.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your air pistol.
- Cleaning: After extended use, clean the barrel with a suitable cleaning rod and patches. Wipe down the exterior with a soft, dry cloth.
- Lubrication: Apply a small amount of silicone oil to moving parts and seals as needed to prevent wear and maintain seal integrity. Avoid petroleum-based oils, which can damage seals.
- CO2 Cartridge Removal: Always remove depleted CO2 cartridges promptly. Do not leave a pierced CO2 cartridge in the air pistol for extended periods, as this can damage seals.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Air pistol does not fire. | No CO2 cartridge, empty CO2 cartridge, safety engaged, no ammunition, jammed ammunition. | Install new CO2, disengage safety, load ammunition, clear jam. |
| Loss of power or inconsistent velocity. | Low CO2, leaky seals, worn parts. | Replace CO2, inspect and lubricate seals, contact support if problem persists. |
| Ammunition jams in magazine or barrel. | Incorrect ammunition type/size, damaged ammunition, dirty barrel/magazine. | Use correct .177 caliber pellets/BBs, inspect ammunition, clean barrel/magazine. |
| CO2 leaks from air pistol. | Loose CO2 cartridge, damaged CO2 seal. | Ensure CO2 cartridge is tightened correctly, apply silicone oil to seal, replace seal if damaged. |
8. Technical Specifications
| Feature | Specification |
|---|---|
| Model Name | C-15 Bone Collector Pellet / BB CO2 Pistol |
| Model Number | 611139354 |
| Caliber | .177 (4.5mm) |
| Ammunition Type | Pellets and Steel BBs |
| Velocity | Up to 492 ft/sec (with PBA Platinum) |
| Power Source | 12g CO2 Cartridge |
| Magazine Capacity | 16 rounds (8x2 double clip) |
| Action | Semi-automatic, Blowback |
| Barrel Material | Alloy Steel |
| Frame Material | Metal |
| Sights | Fixed sights |
| Safety | Manual |
| Accessory Rail | Weaver-style rail |
| Item Weight | 1.3 pounds |
9. Warranty Information
The Gamo Bone Collector C-15 Blowback CO2 Air Pistol comes with a 1 Year Manufacturer Warranty. This warranty covers defects in materials and workmanship under normal use. For specific terms, conditions, and to initiate a warranty claim, please refer to the warranty card included with your product or contact Gamo customer support.
10. Customer Support
For further assistance, technical support, or warranty inquiries, please contact Gamo customer service. Contact information can typically be found on the Gamo official website or on the product packaging.
Gamo Official Website: www.gamousa.com
Please have your model number (611139354) and proof of purchase ready when contacting support.