Quick Summary
These SP350 carbon crossbow bolts are 7.5 inches long and sold in a 12-pack. The description lists them for COBRA SYSTEM R9, Cobra R9, RX and ADDER crossbows, with a two-vane design.
Each bolt is described as about 200 grains total, including a 100-grain point. Check the exact crossbow fit and bolt dimensions before use.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Pack quantity | 12 bolts. |
| Length | 7.5 inches. |
| Diameter | 7.5 mm (0.295 inches). |
| Weight | About 200 grains per bolt, including the 100-grain point. |
| Shaft and vanes | Carbon shafts with two vanes. |
| Point setup | 100-grain screw point with insert and nock. |
| Listed crossbow fit | COBRA SYSTEM R9, Cobra R9, RX and ADDER. |
Key Features Explained
The two-vane configuration is a stated design detail. The bolts also have screw points with inserts and nocks, which are relevant when checking the replacement parts or accessories you intend to use.
The listed weight includes the 100-grain point, so it is not a shaft-only weight.
What to Compare Before Buying
- Confirm the exact crossbow model and that these bolts are intended for it.
- Compare the 7.5-inch length and 7.5 mm diameter with the requirements for your crossbow.
- Check that the 100-grain screw point and the two-vane configuration match your intended setup.
Compatibility, Size and Fit
The bolts are listed for COBRA SYSTEM R9, Cobra R9, RX and ADDER. Treat those as the stated model names, and confirm the exact crossbow variant before use rather than assuming fit with other models.
Safe Use and Important Precautions
The tips are sharp. Keep bystanders away when using the bolts outdoors.
Care, Cleaning and Storage
For a distorted plastic vane, the stated care method is to place it in 80 to 90 °C hot water for a few minutes to help restore its shape.
Before You Decide
Check the exact crossbow model, the 7.5-inch length and 7.5 mm diameter, and whether the 100-grain point setup is suitable for your configuration. The pack contains 12 bolts.





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