Understanding Airgun Ammunition: Pellets, BBs & Calibre Choices Explained

Choosing the right airgun ammunition is just as important as selecting the rifle or pistol itself. The type of ammo you use affects accuracy, power delivery, and overall shooting performance – whether you’re target shooting, plinking, or controlling pests.

In this guide, we break down the key differences between pellets and BBs, explain calibre choices, and help you understand which option suits your setup.

Pellets vs BBs: What’s the Real Difference?

Although they are sometimes grouped together, pellets and BBs are designed for different purposes.

Pellets are shaped projectiles (typically with a head and skirt design) made from lead or alloy. They are designed for rifled barrels and offer significantly greater accuracy and consistency.

BBs, on the other hand, are smooth, spherical projectiles – usually steel – and are commonly used in lower-powered airguns and smooth-bore systems.

For shooters looking for precision and consistency, pellets are the clear choice. BBs are more commonly used for casual plinking or introductory practice.

Understanding Calibre Sizes

The most common airgun calibres in the UK are:

.177 (4.5mm)

• Flatter trajectory
• Popular for target shooting
• Widely used in competition

.22 (5.5mm)

• Heavier pellet
• Greater impact energy
• Favoured for pest control

Most UK sub-12 ft-lb air rifles are available in both calibres. Many beginners start with .177 due to ease of shooting and trajectory forgiveness.

For a wide range of calibre options, shooters can browse dedicated sections such as:

• Air rifles – https://www.solware.co.uk/air-rifles
• Air pistols – https://www.solware.co.uk/air-pistols
• Airgun pellets – https://www.solware.co.uk/airgun-pellets

Pellet Head Types Explained

Pellet shape also plays a major role in performance:

• Wadcutter (Flat Head) – Ideal for paper targets at shorter distances.
• Domed (Round Nose) – Excellent all-round pellet with stable flight.
• Pointed – Designed for deeper penetration.
• Hollow Point – Expands on impact, often used for pest control.

Testing different pellet brands and head types is essential – even high-quality rifles can favour one pellet over another.

Retailers like Solware stock a broad selection of pellet styles, allowing shooters to experiment and refine their setup.

Matching Ammunition to Purpose

Here’s a simple breakdown:

Selecting the correct ammunition improves consistency, safety, and confidence – particularly for new shooters.

Key Takeaways

Understanding the differences between pellets, BBs, and calibre sizes allows shooters to get the best from their equipment. The right ammunition choice depends on your purpose, rifle type, and shooting environment.

Taking time to test and refine your selection will always yield better results than simply buying what’s cheapest or most common.

For shooters looking to explore options across rifles, pistols, optics and ammunition, specialist UK retailers such as Solware provide a comprehensive selection to suit beginners through to experienced enthusiasts.