STERN DEF. MAGAZINE ADAPTER

AD9 S&W M&P/SIG P320 9/40 MAGS FEATURES:Made in the U.S.A.Constructed from 6061 T6 aircraft grade aluminum4140 NiB coated feed rampHard coat anodized type 3Sturdy ConstructionErgonomic mag releaseWorks with all generations of M&P magazinesWorks with P320 and P250 magazinesWorks with any mil spec ar15 lower receiverAll gun components besides the Bolt and Barrel remain stock