Armaspec AR-10 SMB-10 Buffer Kit Features The Armaspec SMB-10 Buffer Kit centers on the company s Sound Mitigation Buffer engineered as a superior upgrade over the standard mil-spec buffer and spring found in most AR-10 pattern rifles. By altering how the buffer manages recoil impulse the SMB reduces the mechanical noise and harshness of the bolt carrier s rearward travel giving the rifle a noticeably smoother cycle. Because the kit includes the buffer tube endplate and castle nut alongside the buffer itself builders receive a complete matched assembly rather than a single component that still needs compatible hardware sourced separately. This four piece kit is purpose built to drop into AR-10 Gen3 receivers without requiring additional modification. Finished in a Black and Silver color scheme the SMB-10 kit brings a distinct look to a builder s rifle while upgrading its function. Installing a complete buffer system rather than mixing components reduces the chance of fitment issues that can arise from combining mismatched parts. Armaspec designed the kit for shooters building precision or suppressed AR-10 rifles where reduced noise and smoother cycling directly improve the shooting experience. This buffer kit is a straightforward way to finish an AR-10 build with hardware engineered to work together from the start. Armaspec AR-10 SMB-10 Buffer Kit Specifications Manufacturer: Armaspec Model: SMB-10 Buffer Kit Type: Buffer Tube Complete Assembly Compatible Hosts: AR-10 Gen3 Color: Black / Silver No. of Pieces: 4 Available At: GrabAGun