Presma Inc Pistol Length 7.3" Buffer Tube, 1.25" diameter, Matte Red. Machined and Anodized in the USA This is the barrel nut

This is the barrel nut set up that needs to be timed with shims

• Blue Anodized

308 SBA Recoil Spring is a drop-in buffer system designed to help the AR-10 platform function more smoothly and quietly

750″ at gas port

Presma Inc Pistol Length 7.3" Buffer Tube, 1.25" diameter, Matte Red. Machined and Anodized in the USA This is the barrel nutPresma Inc Pistol Length 7. 3" Buffer Tube, 1. 25" diameter, Matte Red. Machined and Anodized in the USA. SKU: UB_ASBT05A R Machined and Anodized in the USA. Anodized Aircraft Aluminium, 2 piece construction. Great for replacement or new build. Buffer tube helps slow the rearward portion of the bolt cycle & ensure complete closing of the firing action. 7. 3 x 1. 25" x 1. 25". Anodized Matte Red. Perfect with straight tube Pistol Braces. *(Colors names