Learn how to safely disassemble and reassemble your Mossberg 940 Pro semi-auto 12 gauge shotgun with this step-by-step tutorial by Rusty at Mossy Oak. Follow along as Rusty shows you how to remove the barrel, trigger assembly, bolt, and other parts, and then put it all back together. This Mossberg shotgun disassembly guide is perfect for anyone looking to maintain their firearm.

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