Atlas Gunworks Mag Capacity Limiter


Atlas Gunworks Magazine Capacity Limiter for 140mm

  • Plate and Rivet System
  • Works with STI Gen 2 Magazines with Atlas Gunworks Drilled Witness Holes (20-21 for 40SW, 23-24 for 9mm/38SC)
  • Will work (if trimmed) in other witness holes.
  • Limits high-capacity magazines to 10 rounds permanently with rivet.
  • Requires rivet gun to install


Do you live in a ten round capacity state? Still want to run 140mm magazines? We’ve got your back. With the Atlas Gunworks Mag Capacity Limiter, you can make your mags compliant!

By using our unique witness holes and a rivet, the included plate restricts the magazine capacity to 10 rounds in either 9mm or 40SW 140mm magazines.

Requires a rivet gun to install.

Additional information

Weight .25 lbs
Dimensions 1 × 1 × 1 in

9mm, 40SW


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