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Convenient kit contains all the components needed to mount the buttstock of your choice on an AR-15 rifle or carbine. Perfect for stock conversions such as altering a rifle to accept a collapsible carbine stock. All parts are manufactured from the highest quality materials and held to strict dimensional tolerances for proper fit and function. Commercial carbine kit comes with 1.168" O.D., six-position receiver extension for use with commercial or “universal” buttstocks. Mil-Spec kit has a 1.148” O.D., six-position receiver extension for correct fit of military M4 carbine buttstocks.

M4 buttstocks and clones will not fit Commercial tubes.


AR-15, Issue:04, Page:022
AR-15, Issue:05, Page:012
AR-15, Issue:05, Page:026
AR-15, Issue:06, Page:012
AR-15, Issue:06, Page:028
AR-15, Issue:07, Page:002
AR-15, Issue:07, Page:032
AR-15, Issue:08, Page:031
AR-15, Issue:09, Page:034
AR-15, Issue:10, Page:037
AR-15, Issue:11, Page:041
Big Book Catalog, Issue:62, Page:022
Big Book Catalog, Issue:63, Page:012
Big Book Catalog, Issue:63, Page:028
Big Book Catalog, Issue:64, Page:002
Big Book Catalog, Issue:64, Page:032
Big Book Catalog, Issue:65, Page:031
Big Book Catalog, Issue:66, Page:034
Big Book Catalog, Issue:67, Page:037
Big Book Catalog, Issue:68, Page:040
Big Book Catalog, Issue:69, Page:040
Big Book Catalog, Issue:70, Page:041
Big Book Catalog, Issue:71, Page:045
Big Book Catalog, Issue:72, Page:049
Big Book Catalog, Issue:73, Page:055

SPECS: Receiver Extension & A2 Stock Spacer – Aluminum, anodized, matte black. Recoil Buffer – Aluminum and steel. Spring, Lock Ring, Receiver Plate – Steel. Kits fit standard, mil-spec AR-15/M16/M4 lower receiver and clones. Installation instructions included.

BROWNELLS - AR-15/M16 BUFFER TUBE ASSEMBLY

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