Brownells 75th Anniversary - A Shooting Heritage
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Upgrade Your Shockwave

Brownells has made upgrading your Mossberg 590 Shockwave easy with the new Brownells Boom Kit.

The Kit includes a Carlson’s Mossberg 590 12-gauge Ported Shotgun Barrel and the SB Tactical Shockwave Stabilizing Brace.

  • Barrel length: 14”
  • Fiber Optic Hi Viz Green Front Sight
  • Cylinder bore choke
  • Matte Black Finish on barrel and stabilizing brace
  • Stabilizing brace made from polymer
  • Stabilizing brace 11.75” long, 1.6” wide, and 18.5 oz

A 14” barrel with Magnaporting features 22 port holes for added recoil reduction and muzzle jump. A fiber optic hi viz green front sight helps with quick target acquisition with the 590 Shockwave, while a 11.75-inch polymer stabilizing brace provides a third point of contact.

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Gauge: 12 Gauge

Length: 14

Color: Black