4 Home Defense Upgrades for Your Mossberg 500/590 Shotgun

The following products will make your Mossberg 500/590-pattern shotgun better suited to home defense.

posted on August 11, 2021
Mossberg 500 Shotgun Accessories

A. Designed for universal fit on firearms with Picatinny- or Weaver-type rails, the Crimson Trace RailMaster CRM-201 brings welcome versatility to your home-defense scattergun. The compact unit utilizes a 5 mW red-laser sight to provide an edge over conventional sights, particularly in low-light conditions. It features the company’s Instant Activation, tap-on/tap-off system along with a convenient five-minute auto shutoff, and can be easily mounted and adjusted. Runtime with its included battery is more than four hours. MSRP: $164.99; crimsontrace.com

B. Manufactured from A36 steel and 6061-T6 billet aluminum, the GG&G Mossberg 500 Sling and Flashlight Combo Mount features a 1.75-inch MIL-STD-1913 accessory rail that can be oriented forward or rearward for left- or right-hand use. Its steel components have a non-reflective, manganese-phosphate coating, while the alloy parts are Type-III hard-coated matte black. A built-in looped eyelet is compatible with HK- and MASH-style hook sling hardware. This mount is also compatible with the Mossberg Maverick 88. MSRP: $31.31; gggaz.com

C. Available in four-, six- and eight-shell configurations, the Mesa Tactical SureShell Aluminum Carrier for Moss 500/590A1/Mav88 (4-Shell, 12-GA) features replacement trigger-group pins that anchor the included carrier to either the left side of your shotgun’s receiver or it can also be installed pointing back toward the stock. Select models utilize factory-tapped rail mounting holes and include integrated Picatinny rails for mounting optics. MSRP: $70 to $84; mesatactical.com

D. Adding much needed adjustability to the popular scattergun, the Magpul SGA Mossberg 500 Buttstock boasts a spacer system that provides an adjustable length-of-pull from 12.5 to 14.5 inches, in half-inch increments, for a superb fit. Other features include improved grip ergonomics, a recoil-reducing buttpad and a cheek riser integrated into the comb for use with optics and raised sights. Available colors include black, FDE, stealth gray and orange. The SGA is also compatible with the 590/590A1 series of shotguns. MSRP: $109.95; magpul.com


RCBS Chargemaster Supreme
RCBS Chargemaster Supreme

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I now keep all my ammunition-creation data on a computer. Sure, I’ll make notes when working up a new load or tweaking an existing one, but ultimately my data is stored digitally. Since my loading room is only steps from my computer, the transition from written to digital data has been easy for me. Now that I’m using the handloading app from RCBS, it’s even easier, and it also makes recreating my favorite loads when I’m at the loading bench more convenient.

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