Quote:
Originally Posted by GSK88
The XM is noticeably crisper in action.
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That might be a function of the mag. The smaller mags appear to be much better quality than the 30 round versions. On both my WE CQBR and 416 rifles, the small mags had much crisper and consistent performance, less cool down factor and less prone to leakage. They're also made of better material and looks and feels of higher quality.