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Back-up 20 buttstock installation kit for use with 660-752 Back-up 20 buttstock
Installs on any AR-15 or M16 lower receiver to accept the A2 style Back-Up 20 Stock. This kit includes everything needed. Back-Up 20 Stock & A2 Installation Kit Installs on any AR-15 or M16 lower receiver to accept the A2 style Back-Up 20 Stock. This kit includes everything needed to get your Back-Up 20 installed in minutes. Includes Buffer, Buffer Tube, Spring, Stock Extension Cap, and hardware. This kit is a standard size, so it will work on other AR-15 and M16 A2 stock installations as well. If you plan on purchasing the US Tactical Systems Back-Up 20 Stock, and this kit please see item 660-754. Save money by purchasing together!
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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