Is there a difference betweem MAC 11 and m11a1?

[DieselMcBadass 0]

Shopping around for first nfa purchase. Want a mac to put a lage upper on. Lage says they make it for a m11a1. Ive found guns for sale under both names that look identical. Is term interchangeable or do i need to look for one in particular?

[riflejunky 9]

https://www.mac-11.info/catalog.htm

[DieselMcBadass 0]

so its a difference in manufacturing technique but not format?

[mattnh 3]

On 6/6/2019 at 9:48 PM, DieselMcBadass said:

so its a difference in manufacturing technique but not format?

Those two receivers are totally different sizes.  Check out the article again...

M11A1 is a baby .380 MAC

[Frank Iannamico 27]

You need to read ads carefully many refer to the SWD 9mm M11/Nine as a MAC 11, they are  NOT MACs the Military Armament Corp never made them, SWD did in the 1980s. The M11- and M11A1 are 380 caliber subguns. There are several variations the most noticeable the early  MAC and RPB variation uses the smaller metal mags, the later ones are called the large mag well type and use the SWD plastic mags. Get the MACMAN book for all the details on all the MACs and clones. Spend $50.00 before spend thousands.  

[Frank Iannamico 27]

I looked in the book. On page 290; the guns marked M11 were originally made as submachine guns. M11-A1s were originally RPB open-bolt semi-autos that were subcontracted out to Morris Manufacturing Co in Marrietta, GA by Wayne Daniel's SWD Company, to be assembled as submachine guns in 1982, after open-bolt semis were banned. Serial numbers were 3808650- 3809545. At the bottom of the frame under the grip they were marked SWD ATL, GA. Wayne Daniel was one of the partners in the 2nd RPB company

Serial numbers 3809546-38011661 were forfeited to ATF and destroyed. 

Edited 9 Jul 2019 by Frank Iannamico