Mach Sakai checks out the Sun Project M-40 XB Bolt Action Sniper Rifle. An improvement over the M40A1, this has real wood and comes with adjustable hop-up as well as adjustable trigger pull. Hard to find as not many retailers carry this nowadays, it is easily upgradeable especially with PDI parts.

Another episode in the Ancient Airsoft Series of RedWolf Airsoft TV with Tim showing the Sun Project XM177-E2 Gas Blowback Rifle... "While not quite as old as our previous ancient airsoft features, this replica plays a significant role in the history and development of airsoft. Its internal system has inspired several other systems still in use today. Watch this episode to find out what relic we have uncovered."