Strike AR Advanced Receiver Extension Mil-Spec 7075 T6 Aluminum Extension Tube, Black Md: SIARARET7BKThe Strike Industries Advanced Receiver extension brings an updated aesthetic and increased functionality to an often neglected, yet highly important component of the AR15/AR10 weapon system. The scalloped surfaces decrease friction with tight fitting stocks, and shaves weight while retaining mass in critical stressed areas.
Type:	Extension Tube
Model:	AR Style
Size:	Mil-Spec
Material:	7075 T6 Aluminum
Finish:	Black
                            
                         
                        
                            
    
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