This video provides an expert-level review of the W+F Bern E22 and C42 prototype rifles, which competed against SIG in Swiss military trials for the Stgw 90. Ian McCollum details their design, modularity, and the reasons for their rejection in favor of the SIG 541. The analysis highlights specific features like the quick-detach barrel and proprietary cartridges, offering deep technical insight into these rare firearms.
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