FINAL DAY FOR LABOR DAY DEALS!
Exclusive Offers + 12% Off Almost Everything Else Use Code: LABORDAY12

FINAL DAY FOR LABOR DAY DEALS!
Exclusive Savings + 12% Off Almost Everything Else Use Code: LABORDAY12

Daily Deal: Rio Texas Game Load HV 12Ga #6 $13.99 $11.99 - Get Yours! 

Barrel Nut Wrench
Barrel Nut Wrench
Barrel Nut Wrench
Barrel Nut Wrench
Barrel Nut Wrench
Barrel Nut Wrench
Barrel Nut Wrench
Barrel Nut Wrench
Barrel Nut Wrench
Barrel Nut Wrench
None
MadeInUsa OFF

GEISSELE AUTOMATICS LLC - Barrel Nut Wrench

Barrel Nut Wrench
Brownells #
100018943
MFR #
02-243F
UPC
817953020012
$11.00
Coupon Code
Purchase Limit Help

In stock

NOTIFY ME WHEN IT'S BACK IN STOCK
Standard Shipping Estimated Delivery
Estimated delivery: Sep 18
Can we ship this to you? (US only)
{{restriction.odmShipCheckMessage}}

How To Buy Guns Online

International purchase information

Specifications
Item Width (Inches):
0.200
Item Height (Inches):
2.000
Item Weight (lbs):
0.020
Color:
Black
Make Model Fit:
AR-15.Universal;Brownells.BRN-4;Heckler & Koch.416;Heckler & Koch.MR556;Heckler & Koch.MR556A1;Heckler & Koch.MR556A1 Competition
Item Length (Inches):
3.250
Quantity:
1
Material:
Steel
Wrench Style:
Barrel
Restriction
Gun Tool Restriction:
Yes
View US State Restrictions
Can we ship this to you? (US only)
{{restriction.odmShipCheckMessage}}

How To Buy Guns Online

International purchase information

What is the GEISSELE AUTOMATICS LLC - Barrel Nut Wrench?

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.

Gun Tool Restriction
Gun Tools have restricted shipping to CA.

Please select a FFL Dealer
Dealers near
Nearest first
arrow-down

Enter dealer or account folder information

* Required fields

MANUALLY ENTERED

Note: Hours and fees may change. Contact the dealer to confirm current information.

* Must accept required fields.

pin wrong
No dealers found

Please search by another zip code or city and state to find the nearest dealer.

  • Pin in Brownells Featured Dealers

    Choosing a Brownells Featured Dealer is the fastest and easiest way to complete your purchase. Brownells Featured Dealers have agreed to perform FFL transfers on guns purchased online from Brownells. We have their necessary FFL information on file and your FFL order will ship directly to them once processed.

  • Pin in Standard Dealers

    Standard Dealers have not yet agreed to perform FFL transfers on guns purchased online from Brownells. If you choose a Standard Dealer, you are responsible for contacting that dealer and arranging for the dealer to submit a signed copy of an FFL and to give Brownells permission to ship the gun.

  • Pin in Not Available Dealers

    Not Available Dealers are dealers Brownells cannot ship guns to at this time. These dealers either do not meet our requirements for FFL transfers, or prefer to not perform transfers for guns purchased online from Brownells.

Brownells Retail Store
Phone Call
Quickest, Hassle-Free Transfer
Pin in
Phone
Accepts ammo transfers Accepts NFA transfers
You must select required check box

Note:

Listed hours & fees are not guaranteed and subject to change. Please contact the dealer to confirm current hours & fees.
* Must accept required fields.
dealers near

Alternative products

Left Badge
Right Badge OFF  
5 Stars

200

300

Add on

Left Badge
Right Badge OFF  
5 Stars

200

300

BARREL NUT WRENCH REVIEWS

Be the first customer to review this product.

Customer Questions
0 Questions