Quick Summary
These NIKA ARCHERY carbon crossbow bolts are 7.5 inches long and supplied in a 12-pack. The description names COBRA SYSTEM R9, RX and ADDER crossbows as compatible models, and specifies two vanes and a 100-grain point.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Quantity | 12 bolts, as stated in the product title. |
| Length and diameter | 7.5 inches long and 7.5 mm in diameter. |
| Shaft material | Carbon. |
| Weight | About 200 grains total for a 7.5-inch bolt, including the 100-grain point. |
| Vanes | Two vanes per bolt. |
| Point and components | The description specifies a standard 100-grain screw point, insert and nock. |
Compatibility, Size and Fit
The named compatible crossbows are COBRA SYSTEM R9, RX and ADDER. Check the exact crossbow model and the bolt length and diameter against its requirements before use. The description does not give further model or version details.
What to Compare Before Buying
- Crossbow fit: Confirm that the exact model is one of the listed compatible models and accepts 7.5-inch bolts.
- Dimensions and weight: Compare the 7.5 mm diameter and approximate 200-grain total weight, including the point, with the requirements for your crossbow.
- Point configuration: Check that the stated 100-grain screw point is suitable for your intended setup.
Safe Use and Important Precautions
The source description warns that the arrow tips are sharp. When using them outdoors or in a backyard, make sure no bystanders are nearby.
Care, Cleaning and Storage
If a plastic vane becomes distorted, the supplied care instruction is to place it in water at 80 to 90 degrees Celsius for a few minutes so it can recover its shape.
Before You Decide
Check the exact crossbow model, the 7.5-inch length and 7.5 mm diameter, and the approximate weight with the 100-grain point included. Keep the sharp-tip warning in mind when choosing where to use the bolts.






