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What is a Mounting block (trunnion)?

beantolebeantole Member Posts: 1,086 ✭✭✭✭
edited February 2002 in Ask the Experts
I am considering converting my Chinese Mak 90 over to legally have a pistol grip. Section 922 lists "Mounting blocks (trunnions)" as a foreign part on their list of 20 foreign parts that are counted. What is a trunnion? Thanks.
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Comments

  • talontalon Member Posts: 150 ✭✭✭
    edited November -1
    Isn't that a device with a pin or other connector on it that allows a firearm to be mounted on a tripod, or fixed mount, such as on a tank or APC, or your favorate SUV?
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