SB Tactical SBA4 Pistol Stabilizing AR Brace | Stealth Grey

SB Tactical SBA4 Pistol Stabilizing AR Brace | Stealth Grey

The SB Tactical SBA4 Pistol Stabilizing AR Brace in Stealth Grey combines the SBA4’s reinforced construction with five-position adjustability for AR-pattern firearms using a mil-spec carbine receiver extension. With a broader, more rigid profile than minimalist brace designs, the SBA4 is a strong fit for shooters who want a durable adjustable AR pistol brace with a substantial feel and proven platform compatibility.

Built as an adjustable evolution of the SBM4, the SBA4 uses reinforced polymer construction and a rigidized body designed for long-term durability. Its five-position interface allows the brace to move along a compatible mil-spec carbine buffer tube, giving users flexibility to configure overall length while retaining a straightforward AR-style mounting system.

An integral ambidextrous QD sling socket is molded into the brace, allowing compatible push-button sling swivels to be attached from either side. The SBA4 measures approximately 7.5 inches in length, 2.25 inches at its widest point, and weighs approximately 10 ounces, providing a robust alternative to lighter AR pistol brace designs.

The Stealth Grey finish gives this SBA4 a subdued, modern appearance that works especially well with black, gray, stainless, and two-tone AR builds. For anyone searching for a grey AR pistol brace that combines rugged construction, mil-spec compatibility, and multi-position adjustment, the SBA4 offers a versatile option for a wide range of AR-platform configurations.

Key Features

• Adjustable pistol stabilizing brace for AR-pattern firearms
• Stealth Grey finish
• Five-position adjustable design
• Reinforced, rigidized polymer construction
• Integral ambidextrous QD sling socket
• Compatible with mil-spec carbine receiver extensions
• Approximately 7.5-inch overall length
• Approximately 2.25-inch maximum width
• Approximately 10-ounce weight
• US veteran designed
• Made in the USA

Reinforced Adjustable Design

The SBA4 is built for users who prioritize rigidity over minimum weight. Its reinforced body provides a more substantial profile than the SBA3 while preserving the convenience of an adjustable carbine-style brace, making it well suited to larger or heavier AR pistol configurations.

Mil-Spec Carbine Receiver Extension Fitment

The five-position SBA4 mounts to compatible mil-spec carbine receiver extensions, making it suitable for numerous AR-15, AR-9, .300 Blackout, and other AR-pattern configurations. Because receiver extension dimensions can vary slightly between manufacturers, fitment should be verified before installation.

Compatibility

• AR-15 platforms using a mil-spec carbine receiver extension
• AR-9 and other pistol-caliber AR configurations
• .300 Blackout and other compatible AR-pattern builds
• Other platforms capable of accepting a mil-spec carbine receiver extension

Included

• SB Tactical SBA4 Pistol Stabilizing AR Brace
• Adjustable stabilization strap

Receiver extension / buffer tube is not included.