GEISSELE AUTOMATICS LLC BARREL NUT WRENCH

The Geissele Automatics LLC Barrel Nut Wrench is a compact armorer's tool engineered for the installation and removal of Geissele barrel nuts and compatible AR-platform barrel nuts. Designed for reliability and ease of use, this purpose-built wrench provides positive engagement with barrel nuts during upper receiver assembly, handguard installation, and barrel replacement procedures.

Machined from durable steel and featuring a square drive interface for use with a 1/2" torque wrench, the wrench allows precise torque application during assembly and maintenance operations. Its compact profile makes it easy to keep in a gunsmithing tool kit, range bag, or armorer's bench while providing the functionality needed for professional and enthusiast-level rifle work.

In addition to Geissele barrel nuts, the wrench is compatible with HK416 and BRN-4 barrel nuts, making it a versatile addition for users working across multiple AR-pattern platforms.

FEATURES

• Designed for Geissele Barrel Nuts
• Compatible with Mil-Spec AR-15/M4 Barrel Nuts
• Works with HK416 Barrel Nuts
• Works with BRN-4 Barrel Nuts
• Supports Barrel Installation and Removal
• 1/2" Square Drive Interface
• Compatible with Standard Torque Wrenches
• Compact, Lightweight Design
• Machined Steel Construction
• Phosphate Coated Finish
• Made in USA

SPECIFICATIONS

• Brand: Geissele Automatics
• Tool Type: Barrel Nut Wrench
• Material: Steel
• Finish: Phosphate
• Length: 3.25" (8.3 cm)
• Height: 2.00" (5.1 cm)
• Width: 0.20" (0.5 cm)
• Drive Compatibility: 1/2" Square Drive Torque Wrench

COMPATIBILITY

• Geissele Barrel Nuts
• Mil-Spec AR-15 Barrel Nuts
• Mil-Spec M4 Barrel Nuts
• Brownells BRN-4
• HK416
• HK MR556
• HK MR556A1

The Geissele Automatics LLC Barrel Nut Wrench delivers a simple, durable, and effective solution for servicing Geissele and compatible AR-platform barrel nuts. Featuring steel construction, a torque wrench interface, and compatibility with Geissele, HK416, MR556, and BRN-4 platforms, it is an essential tool for rifle builders, armorers, and maintenance professionals.