RD 1913 Rear Trunnion

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The Rifle Dynamics 1913 Rear Trunnion is a direct replacement for stamped receivers with taditional tang rear trunnions allowing allowing the use of modern picanity stocks and braces. Compatible with any 1913 mil-spec stocks or braces such as those from SIG, Midwest Industries, JMAC customs, and more. The rear trunnion also features a downward cant allowing for better ergonmics and easier sight picture aquisition.

Professional gunsmith installation reccomended as it will require a hydraulic press to dimple and rivet in.


  • Weight: 6.8 oz
  • Material: 4140 Chromoly Steel
  • Finish: Parkerized
  • Precision CNC machined from a single piece of steel
  • Mil-spec 1913 Rail fits any standard picatinny stocks & braces such as SIG, Midwest, Industries, and JMAC customs.
  • Features a 2 degree downward angle for better ergonomics
  • Chamfered angle at the bottom of the rail for additional weight savings and enhanced aesthetics
  • AKM fixed stock hole pattern, fits 4.5mm Long rivets
  • May require some fitment, professional gunsmith installation highly recommended
    • Not compatible with underfolder, sidefolder, or milled receiver AKs.
    • Might not be compatible with Yugo or Norinco guns
  • Made in the USA

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