any 10mm rifles?


Alan Fud
July 8, 2004, 01:53 PM
Anybody make an autoloading rifle in 10mm? Sort of like the Ruger PC4 Carbine ( but in 10mm instead of .40S&W?

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July 8, 2004, 02:15 PM
Olympic Arms makes a 10mm AR-15.

July 8, 2004, 02:15 PM
Yes, you can get an AR15 style rifle from Olympic in 10MM.

July 8, 2004, 02:28 PM
HK used to make a 10mm submachine gun. Not sure if it was UMP or MP5 variant. I doubt they ever made it to market for civilians.

July 8, 2004, 02:38 PM

July 8, 2004, 05:55 PM
I viewed a show on Discovery channel that had the Feds using a MP chambered in 10MM.

July 8, 2004, 07:06 PM
I don't think that there are many rifles out there that are chambered for the 10mm cartridge, aside from the ones mentioned above. Most of the weapons chambered in 10mm were handguns (Glock, Colt, S&W, Bren-Ten)

HK did make a version of the MP5 that was chambered in 10mm, called the MP10. I don't believe that it was ever available to the public.

If you really want to get fanciful, there is the M41A pulse rifle from the movie Aliens. It was chambered in 10mm. ;)

July 8, 2004, 07:09 PM
MP-5/10, not MP-10.

July 8, 2004, 08:57 PM
God help the man who has to feed the thing. :eek:

July 8, 2004, 09:20 PM
I have been thinking that a Winchester 94 with a 16 inch barrel in 10 mm would be great. But I do not know if this is even feasible. It would make a great light carbine that shoots a decent cartridge.

July 8, 2004, 09:38 PM
I would buy a Beretta Storm chambered for 10mm if available. You listening, Tony?

July 8, 2004, 10:13 PM
This one ( has been up for sale over at Gunbroker for at least two months now.

July 10, 2004, 07:36 PM
I think Auto Ordnance made a Thompson in 10mm in the mid 1990s.

Black Snowman
July 10, 2004, 07:39 PM
Reloading for 10mm is only slightly more expensive than reloading for .40 S&W. Same bullets, large instead of small primers, slightly more powder, and a the big differance: More expensive brass. Range pick-up is unlikely but I found about 200-300 spent Federal cases at the range about a month ago. I'm glad I didn't pay for all the factory ammo they came from :uhoh:

July 10, 2004, 07:46 PM
D-Max came out with a 10mm carbine back in the '80's. The magazine fed from the side like a Sten. It had a perferated barrel shroud and black crinkle paint on it similar to a Sterling.

July 10, 2004, 09:24 PM
The cheapest route for me would be to get a Mech-Tech carbine unit for the Glock 20.

July 11, 2004, 11:46 PM
Olympic Arms CAR-97/10mm & Glock 20. :D

July 13, 2004, 12:03 AM
These guys do:

July 13, 2004, 12:34 AM
Pricey, though.

If I understand correctly, these are bolt guns.


July 13, 2004, 12:27 PM
The feds converted some of thier Thompsons (yes, they still have a few) to 10mm before they convinced H&K to make one. That 10mm is the main reason H&K offers a 0-1-2 trigger pack, full auto is very difficult to control and batters the receiver. Lot of energy there, in fact that Oly Arms upper is gas operated!

July 13, 2004, 12:27 PM
Oops, doubletap.

July 13, 2004, 01:00 PM
The Thompson was developed at the FBIs request to test the feasibility of the 10mm cartridge in a sub-gun format, but they were never actually considered for actual issue.

The Olympic Arms 10mm carbine no longer uses a gas system.

The HK MP5-10 employed two different bolt carriers which they termed a "high impulse" and "low impulse" carriers. The low impulse carrier was for FBI Lite style loads while the high impulse unit was for full power loads. Apparently HK could not develop a single unit that allowed both cycle reliability with lite loads and yet still kept battering under control with hot loads.

Black Snowman
July 13, 2004, 05:26 PM
How's the reliability on the Oly 10mm? Looks like a really fun toy :D

July 13, 2004, 05:58 PM
So far it's fed, fired and ejected everything I've loaded in the mags, but I don't think I'd ever use it as a "duty gun." The ejector looks more like a modified paperclip and doesn't fill me with enough confidence to bet my life on it.

July 14, 2004, 12:48 AM
Isn't it about the same size as an AK? :scrutiny:

July 14, 2004, 03:56 PM
I've thought for years that something the size and shape of an M1 Carbine or Ruger 44 Deerstalker would be a real sweet gun in 10mm. I don't really want some giant 20-30 round magazine sticking out of the bottom. I would be perfectly happy with a four round tube mag like the original Ruger rifles. Fairly light, quite short, snag free. Would be a great woods gun for deer or just shooting "stuff" down at the creek. I would buy one!

(But not one that has a pistol magazine jutting out of the bottom. Yuck!)


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