The San Tan Tactical Defender 5.56 NATO AR Pistol (brand part no. STT-F-PSP-10) is a complete AR-pattern pistol built around a 10.5-inch barrel and finished with black polymer furniture for a straightforward, reliable defensive platform. San Tan Tactical equips the Defender with an SB Tactical SBA3 stabilizing brace for a stable, one-handed shooting grip, keeping the build compact while retaining familiar AR-15 ergonomics and controls. Among our AR pistols, the Defender suits shooters who want a complete, no-frills 5.56 pistol built by a dedicated AR manufacturer rather than assembled from mixed parts.

Key Specifications

• The chambering is 5.56 NATO.
• The barrel is 10.5 inches long.
• The brace is an SB Tactical SBA3 stabilizing brace.
• The furniture is black polymer.
• The action is semi-automatic.

Frequently Asked Questions

Is this pistol NFA-regulated? No, it ships with an SB Tactical SBA3 stabilizing brace, a standard AR-pistol accessory, so no NFA paperwork is required as configured.

What magazines does it use? It’s built on the standard AR-15 magazine well, so it runs common 5.56/.223 AR magazines.

Buy the San Tan Tactical Defender 5.56 NATO AR Pistol

A complete, no-nonsense 5.56 AR pistol built by a dedicated AR manufacturer, the Defender gives shooters a ready-to-run brace-equipped platform. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.