Geissele Automatics 05-314 AR15 Reaction Block The Geissele Reaction Block features An Ultra-Stable Platform For performing An Array Of Lower Receiver operations as Well as Making The Installation Of The Buffer Retainer Nut Quick And Easy.
This Model Is Only For a Mil-Spec Buffer Tube. Type: Reaction Block Material: Steel Gun Type: AR-Style Rifles Gun Model: AR-15 No. Of Pieces: 1
