[Secret Agent Man]

for the ruger p85/89 fans they made a carbine that took the same mags ad the pistols, and aftermarket folks made larger capacity mags for them - but again, obviously they fit the pistol too

[Carriage Hill]

My 1975 Colt Trooper MKIII in .357mag, takes the same 158gr .357mag ammo that my 2012 Henry ‘Big Boy’ Lever Action does, as well as .38cals. I like that.

I have a .50cal ‘Beowulf’ (Alexander Arms) on an AR platform w/ 10rnd mags; wish I had a pistol that went along with it, but 350gr-425gr HPs are a real load in a handgun. Before AA Co made their own mags, we modified AR-15 mags by spreading the feed lips, and they worked just fine.

[Lurkinanloomin]

I have that combo.

The new Ruger PC9 carbine will take Ruger SR9 mags or Glock mags and with an adapter it will take Ruger American pistol mags.