Mossberg patented bolt design using popular detachable magazines makes for a great rifle but problems can still occur. Here’s how I rectified one issue for my customer.
by Michael Priego
A customer recently brought in a Mossberg MVP bolt action rifle chambered in 6.5 Creedmoor. Mossberg’s MVP series is basically a bolt action rifle feeding from detachable magazines. The patented design is compatible with AR-15 (223 Remington/5.56mm NATO) or AR-10 and M1A/M14 (7.62mm NATO) magazines, depending on the chambering. The MVP Predator, my customer’s model, is a compact rifle with a gray laminate, sporter-style factory stock which allows the use of both M1A/M14 and AR-10/SR-25-style magazines.
This customer rarely uses her rifle other than for hunting purposes. This issue was, despite having no apparent obstruction in the action or barrel, she was unable to lock the bolt in the closed position. After further examination and a few attempts at closing the bolt, there seemed to be an issue with the bolt’s extractor or the rails that the bolt glides across when pulling it reward.
To further attempt to resolve the issue, I retrieved an assortment of …
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