If you want to experience the fun of the Slide Fire stock, but have an A2 stock, this is the conversion kit you are looking for. The SSAR-15 conversion kit contains all the parts and tools necessary to convert an AR-15 with an A2 fixed stock to a six position buffer extension compatible with the SSAR-15.
Features and Specifications:
MIL SPEC six position buffer tube
Carbine buffer and spring