Western Arms M4A1 Gas Blowback Rifle, CUSTOM PDI BARREL PDI 364x6.01mm Inner Barrel (Max tightness and length) Start Price USD 550.00 Current Price USD 550.00 Time Left - Bid Count 0 Buy It Now Price USD 700.00 Reserve Price - Start Time Wednesday, October 08, 2008 End Time Wednesday, October 15, 2008 Location Tokyo See more about 'Western Arms M4A1 Gas Blowback Rifle, CUSTOM PDI BARREL' Description This is the Western Arms (Japanese manufacturer) M4A1 gas blowback rifle This is the Western Arms (Japanese manufacturer) M4A1 gas blowback rifle with CUSTOM PDI BARREL   USED ONLY ONCE (Bought this in the U.S. and took it with me when I moved to Japan, only to discover that the PDI barrel mod puts it over the Japanese FPS limit)   UPGRADE:   PDI 364mm x 6.01mm, which alone cost me $124.  This is the tightest, longest barrel available for this rifle.  On Green Gas (propane) it shoots in excess of 450 fps.    INCLUDED:   M4A1 Assault Rifle (original price $650) TWO(!) magazines (original price $105 for extra mag) Forward assist grip (original price $16) RIS rail covers (2) (original price $20) Nylon/metal strap especially designed for M16/M4 series rifles (original price $20) Original manual and other odds and ends   TOTAL SPENT ON THIS GUN: $811 + $124 for PDI barrel = $935 USD   This rifle uses the MAGNA blowback system originally designed by the legendary Tanio Koba.  This allows the gun to kick harder than a .22 round.  The receiver is made from nylon fiber as is the pistol grip and the front sight.  The stock, flash hider is ABS plastic.  Everything else is metal.  Just FYI, nylon fiber is a stronger material than most pot metal used on “full metal” guns.   The operation of the gun is exactly the same as the real steel.  The bolt, charging handle, forward assist, and disassembly are identical to the real gun in terms of operation.  The gas is stored in the magazine to further enhance realism.   This gun is no AEG.  It doesn’t sound like a sewing machine, it doesn’t need batteries and its guts are as close to the real thing as can be without adding the .223 bullet.  If you want the real steel experience, this gun is it!   All work on this gun was professionally done.  No need to worry about sloppy installation work! Place a Bid!