In stock at RedWolf Airsoft for US$417.00 and they give you a comparison between the AEG and GBB versions... "LMT, Lewis Machine and Tool Company. The MRP has a one piece upper receiver for ARs that allows the shooter to change the barrel length in seconds. It features a free-floating barrel, that reduces over-heating and increase the accuracy of the weapon on the real steel.

Check with your retailers as these are now available... "Hi Guys! We now have two new M203s available licensed by the original real steel manufacture Lewis Machine & Tool Company. The LMT M203 launchers are made with metal parts and has a metal barrel. The hand guard is made of reinforced fiber polymer and the metal trigger guard is included. They have quick-detach mount and will fit on your normal RIS front. The M203s carry the authentic LMT markings.

Pick your choice, either the long version or the short version as both of these are available at RedWolf Airsoft right now. Both are priced the same at US$425.00... "LMT, Lewis Machine and Tool Company. The MRP has a one piece upper receiver for ARs that allows the shooter to change the barrel length in seconds.