Specna Arms CORE BB's are a cost-effective BB, designed to give excellent performance without breaking the bank. Each bag is 1kg, and manufactured with precision, which allows them to work with guns out of the box, as well as upgraded/tuned replicas with precision barrels.

Every BB in your CORE bag is manufactured at 5.95mm with a tolerance of /- 0.005mm, ensuring compatibility even with 6.01mm tightbore barrels. Best of all, such small deviations are not limited to size, but also weight - the difference between every pellet will not exceed 0.01g, improving shot-to-shot consistency.

Specna Arms have concentrated on the areas that matter most to the gamer - ensuring perfect shape for the BB, which combined with their meticulous quality assurance, gives you the peace of mind that you will be problem-free for feeding (in all sorts of magazines). 

These BB's are Biodegradable 0.23g, making them one of the best all-rounders. You get the faster flight time of a reasonably light BB, whilst the extra wind resistance of the greater mass. You'll have similar performance to 0.25g ammo, however your shots will get to their target faste