AR, M4 Stock Adapter - HK SP5

AR, M4 End Cap With Replaceable Rubber Buffer - HK SP5 

This is the finest AR stock adapter available period. No other adapter compliments the lines of the HK 9X series better than the HK Parts AR adapter. A great way to add a stock or pistol brace to any HK SP5. 

Easy to install and made to fit SP5 receivers with out modifications.

Features:

• Made in the USA
• Made from a solid billet of CNC machined aircraft grade aluminum
• Buffered with factory correct “H” buffers to protect your firearm
• Counts as 1 US made compliant part

• AR style buffer tubes 1.0 – 1.2″ in diameter, including commercial, Mil-Spec and pistol buffer tubes
• Other clones with some slight modifications