H&N Slug HP Heavy .25 (6.35mm) 42gr Airgun Slugs
The H&N Slug HP Heavy is designed for long-range hunting and target shooting with high-power PCP air rifles. At 42 grains, it offers one of the heaviest options in the H&N .25 calibre slug range, delivering enhanced retained energy over distance. This makes it ideal for situations requiring a clean, humane kill at extended ranges.
Features a hollow-point design with a large meplat and soft lead core, ensuring maximum expansion and reliable energy transfer upon impact. The slug has a head diameter of .250 inches, making it compatible with barrel slugging setups.
| Specification | Value |
|---|---|
| Calibre | .25 (6.35mm) |
| Weight | 42 grains |
| Head Diameter | .250 inches |
| Design | Hollow-point with large meplat and soft lead |
| Package Quantity | 100 slugs |
FAQ
What is the purpose of the hollow-point design in the Slug HP Heavy?
The hollow-point design with a large meplat and soft lead core ensures maximum expansion on impact, improving energy transfer and penetration for effective performance at long range.
Is this slug compatible with standard .25 calibre air rifles?
Yes, the slug has a head diameter of .250 inches and is compatible with standard .25 calibre barrel slugging setups.
How does the 42 grain weight benefit hunting or target shooting?
The 42 grain weight provides greater retained energy downrange, which is advantageous for long-range shots requiring reliable performance and clean kills.

Ian Burgess –
Used this slug for long-range target practice with a PCP rifle. The expansion on impact was consistent and the shot felt solid. Good for extended range shooting where energy retention matters.
Liam Mitchell –
Felt more powerful than other slugs in the same caliber. The hollow point expanded well and hit the target with good penetration. Satisfied with the performance and reliability.
Ella Short –
Perfect for hunting scenarios at distance. The soft lead core expanded properly and delivered clean shots. The tin is well sealed and easy to organize in the field.