Does anyone know about Cuban M-30 grenade launchers and LGF bazookas?

[KVLG]

A while back I read that the Guinea-Bissau guerilla movement PAIGC had among other weaponry, "Cuban LGF bazookas", which I think were 89mm. Does anyone here know about them? Were they a copy of the American M-20 bazooka or some other rocket launcher? Also, does Cuba have a grenade launcher known as the M-30? Supposedly, it's a pump-action weapon, which fires a 30mm grenade like the M-26.

[Ought Six]

It could be the GM-94, a Russian grenade launcher that fires 43mm grenades. The smooth tube on top is the magazine, and the ribbed tube on the bottom is the barrel. It reloads the same way as the American M203, by sliding the entire barrel forward so it can eject the fired casing and chamber a new round, but it feeds from the magazine. The fixed stock version is shown in the picture, but there is also a top-folding stock version.

http://world.guns.ru/grenade/_gl-al3.jpg

[KVLG]

It could be the GM-94, a Russian grenade launcher that fires 43mm grenades. The smooth tube on top is the magazine, and the ribbed tube on the bottom is the barrel. It reloads the same way as the American M203, by sliding the entire barrel forward so it can eject the fired casing and chamber a new round, but it feeds from the magazine. The fixed stock version is shown in the picture, but there is also a top-folding stock version.

http://world.guns.ru/grenade/_gl-al3.jpg

No, the weapon I'm talking about fires 30mm grenades, like the earlier M-26A2. High-low pressure versions of the AGS-17's. I heard about it from the following page:

http://www.pmulcahy.com/grenade_launchers/cuban_grenade_launchers.htm

"Notes: This Cuban weapon is similar in concept to the Russian GM-94, being a pump-action grenade launcher, and the inspiration for the Russian weapon may have been the M-30. The M-30 is of simple stamped steel and wood construction, with crude leaf sights and a rubber recoil pad on the stock. It does not have the reliability defects of the M-26A2 and is in wide use by Cuban and Nicaraguan forces, as well as by shining Path rebels, rebels in Honduras, El Salvador, Belize, and Mexico, and drug lords' forces in South America. "

And yes, I know that it's from a RPG site devoted to Twilight 2000. However, it may be based on a real-life weapon.