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to provide a fast, secure, and enjoyable experience. by Mark, from AR, United States Asked on August 9, 2022
The FAB Defense GL-CORE AR-15/M4 Skeleton Style Buttstock For Mil-Spec/Commercial Tubes is considered a stock and cannot be used on an AR15 pistol without the proper government forms and approval. If you have the correct ATF forms completed and approved you will need a Mil-spec or Commercial buffer tube for this stock.