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Rock River Arms AR-15 Rifle Buttstock Extension Tube – A2
AR Buttstock Extension Tube A2
Material: 6061 T6 aluminum impact extrusion
*Installing A2 rifle buffer system on a carbine may affect function.
**There is no difference between a .223 and .308 A2 tube, they are the same.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov.
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