Smith & Wesson M&P FPC 10mm 16.25" Rifle, 15+1 - 15+1 Rounds | 16.25" Barrel

Questions & Answers

• Q: Will this shoot 40 S&W like some 10mm firearms do?

  • Answered
  • Asked 04/23/2025 15:45 by Brian E

  A:

  while you can shoot 40 S&W in a 10mm Shooting .40 S&W in a 10mm firearm is not recommended. Typically, .40 S&W barrels are not designed to shoot 10mm cartridges, and doing so can cause damage to the firearm. the problem is head spacing as a rimless case both 10mm and 40 are made to headspace on the mouth of the case the 40 is to short for proper headspacing and is relying on the extractor to hold the case. It will most likely void your warranty

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• Q: Is the S&W M&P FPC 14167 10MM AUTO 16.25 15R BLK legal to own in WA state?

  • Answered
  • Asked 04/18/2025 23:30 by Ken C

  A:

  No, the Smith & Wesson M&P FPC 10mm rifle is likely not legal to sell or purchase in Washington State due to its features that classify it as an "assault weapon" under the state's regulations. Washington law prohibits the sale, manufacture, and import of assault weapons, effective April 25, 2023. The ban applies to semiautomatic rifles with a detachable magazine and a threaded barrel.
  Factors contributing to its illegality in WA:
  Detachable Magazine:
  The FPC 10mm is a pistol carbine that can accommodate a magazine capable of holding more than 10 rounds, which is a characteristic of assault weapons under Washington law.
  Threaded Barrel:
  The FPC 10mm is designed to accept a suppressor, which is a feature often associated with assault weapons and is a key characteristic of the ban.