Magazine Base Plate for Sig®

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Magazine Baseplate for Sig models

  • Added weight aids in the quick ejection of spent magazines for more efficient reloads.
  • CNC milling produces more accurate parts, more consistent results, and greater reliability. Every piece is hand checked for quality.
  • Limited Lifetime Warranty


Limited Lifetime Warranty

All Rival Arms parts are backed with an amazing warranty. View full warranty details.

Limited Lifetime Warranty

We proudly build, machine, and source everything in the United States of America, from our barrels to our packaging and stickers.

Limited Lifetime Warranty

Whether it is our barrel steel or our coatings, using the best available materials translates to superior accuracy and durability.

Limited Lifetime Warranty

We focus on modular design concepts as much as possible, ensuring compatibility with America's favorite firearm platforms.