SB Tactical has launched four new stabilizing brace kits for the Remington Model 870 Tac-14 and Mossberg 590 Shockwave firearms that have been all the rage this year.

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First up are the TAC14-SBM4 and 590-SBM4 options. These complete kits come with the SBM4 brace with a  7075-aluminum receiver extension; Ergo Flat Top SureGrip; Ergo Mossberg Shockwave or Remington Tac-14 adapter; castle nut; and adjustable nylon strap. The kits tip the scales at 21 ounces and measure 10.25 inches in length.

If lightweight and minimalist is more your speed, the TAC14-SBL and 590-SBL kits come with the low-profile, full cavity SBL brace. Like the SBM4 kit, the SBL kits also include a 7075-aluminum receiver extension; Ergo Flat Top SureGrip; Ergo Mossberg Shockwave or Remington Tac-14; castle nut; and adjustable nylon strap. This one weighs in at 18.5 ounces and is 11.75 inches in overall length.

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All four kits are ATF-compliant, veteran-designed and come ready-to-assemble.

“The SBM4 and SBL kits greatly enhance the usability of these popular new platforms by providing a third point of contact and do not change the classification of the host firearm,” SB Tactical says in its press release.

The MSRP on all four kits is $199.99.

For more information, head on over to sb-tactical.com.