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This pack contains 4,000 high-quality HECKLER & KOCH brand bio-bullets weighing 0.25g. They will decompose in approximately three months in hot and humid outdoor environments.
The black BB bullets make the trajectory difficult to see, reducing the risk of the target realizing your position or avoiding you before you reach them.
![[UMAREX] H&K BLACK BATTLE Bio BB, 0.25g, 4,000 rounds, 1kg bag](http://rock-et.jp/cdn/shop/products/UMA26109_01_1024x1024.jpg?v=1619603381)
