Sigmaco Type 81 Stock Adapter

Current Stock:

SIGMACO Type 81 Stock Adapter

Do you want to make your Type 81  M O D U L A R well now you can! With this Canadian Made Type 81 Stock Adapter, you can attach any Buffer or 1913 Stock to your beauitful commie workhorse!

Unique attachment system which locks in to the rear trunnion via two internal cap screws. Canadian designed and manufactured. Designed and extensively tested with reliability and rugged dependability in mind. Does not require any permanent modification of the host rifle. Ships with all hardware and tools needed.


  • Material: 6061 aluminum
  • Coating: Hardcoat Anodize MIL-A 8625 Type III
  • Interface: picatinny top, 3 slots each of MLOK at the 3, 6, and 9 o'clock positions.
  • Made in: Canada

Ships with all hardware and tools needed.

Note: that this version is for the T81 Fixed Trunnion Rifle, and the T81 LMG only, it will not work on folding trunnion receivers though an adaptor is in development for those rifles.

If you are not 100% satisfied please get in touch and we will make it right. Return shipping paid by customer unless warranty or company error. Canada First ships coast to coast to coast! Enjoy hassle free returns whether you are in BC, Alberta, Saskatchewan, Manitoba, Ontario, Quebec, Atlantic Canada, New Brunswick, Nova Scotia, PEI, Newfoundland, Yukon, NWT and Nunavut.