This is the newer style 'dust' finished black body half. A-5 Receiver Half Update - October 2007. Sometime before A-5 serial number 0373356, Tippmann updated TA01101 A-5 RIGHT receiver half with 2 rt ports, similar to the X7. If you’re a-5 is after this serial number, you have the new style. This update covers new parts with original part numbers. If you are replacing the receiver on a previous version of the A-5, you'll be getting the new version listed above and the following are also required: * TA05021 Power Tube Plug * TA10053 Receiver O-ring * 02-21 Power Tube Version 3 A-5 with Response Trigger: You can upgrade to use both exhaust outlet holes on the new half, if you purchase: * 2 x 20-07 - Swivel Elbow Banjo 1/16 * 02-87 - 1/16 ID Hose (3 inch Long) 1/8 inch Fittings are also available: * TA05018 1/8 ID Hose 3-1/4 inch Long * 20-20 Swivel Elbow Banjo Fitting 1/8 * 02-103 RT Flow Control Valve 1/8 * and you'll still need a 1/16 banjo for the cyclone feed, 20-07 Swivel Elbow Banjo 1/16 You can also just use the TA05021 listed above and not change anything else in the system. The updated A-5's also includes 1/8 hose similar to the X7: * TA05018 1/8 ID Hose 3-1/4 inch Long * 20-20 Swivel Elbow Banjo Fitting 1/8 * 02-103 RT Flow Control Valve 1/8