Quote:
Originally Posted by mcguyver
A good way to know if a BB is any good at all, and expecially for a PTW is the squash test. Put a BB in a pair of pliers and squash it. If it shatters, breaks or flakes, avoid it like the plague. The steel nozzle and steel chamber of a PTW firing at 400+++ fps and 15 r/sec are merciless to a crappy BB. They will chop them like mad. The flaking is bad as well as this will lead to deposits in the barrel and hop-up. Avoid these BBs like your life depended on it.
If the BB you test deforms but stays intact, then it should work fine in the PTW and every other gun out there.
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I can confirm that for the MT bbs. They just compress and flatten out and it stays in one piece even when flattened to 2mm. No shatters no flakes awesome bbs.