MXT extension tube for changing magazine extension length and capacity
Available in variety of lengths, from +1 to +9 (shell capacity measured with 2 3/4″ shells and may vary with shells of differing length)
Features relief groove to eliminate barrel clamp travel and ensure repeatable placement after disassembly (+2 through +9 only)
Relief groove is not centered and can be relocated by reversing the tube (thread pitch the same on both ends)
Includes ONLY MXT tube
May require purchase of newmagazine springif you are changing the capacity of your existing extension
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