PCP Air Tanks: 200 Bar vs 300 Bar — What Changes?
Both work for PCP shooting, but 300 bar tanks store more usable air in the same size. Here’s how that affects fills, consistency, weight, and safety routines.
Core differences
• Capacity: Higher pressure (300 bar) = more stored air in the same bottle volume.
• Practical effect: More top-offs before you need a refill, and fewer “short” fills as the tank pressure drops.
• Size/weight: For the same bottle size, 300 bar tanks often use similar carbon shells; weight is close—choose the size you’ll actually carry.
• Valve & gauge habits: Regardless of tank rating, open/close slowly, watch the gauge, and bleed gently after filling.
• Compatibility: Your rifle’s fill pressure and your hose/valve hardware determine how you use the air—follow the rifle’s manual and your filling guide.
When 200 bar makes sense
• Casual range sessions where refills are nearby.
• Lower fill-pressure rifles (you won’t benefit from extra tank pressure).
• Budget-conscious setups getting started.
When 300 bar shines
• Long range days or travel where refills aren’t guaranteed.
• Multiple rifles or friends topping off from the same bottle.
• You want the most fills from the smallest carry size.
Next steps
See our How to Fill a PCP Air Tank Safely and Hose & Fittings Quick Guide. If you want an all-in-one setup, check the SA Private Air Kit or SA Major Air Kit, and the Backpack/Range Bag Air Bundles for ready-to-carry options.