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Tools & CleaningValue Tier

CMC Triggers

CMC AR-15 Barrel Nut and Wrench Kit

Mil-spec AR-15 barrel nut packaged with a 4140 steel armorer's wrench for barrel, castle-nut, flash-hider, and rifle-tube work.

Quick Specs

Price
$18
Weight
N/A
Brand
CMC Triggers
Category
tool

Features

  • Mil-spec AR-15 barrel nut included
  • 4140 steel wrench
  • Castle-nut and .750 in flash-hider flats
  • A2 rifle buffer-tube flats
  • 1/2 in breaker-bar drive

Compatibility Tags

family: ar-pattern

Overview

The CMC kit pairs a mil-spec AR-15 barrel nut with a compact 4140 steel armorer's wrench. The wrench handles barrel nuts, castle nuts, .750-inch flash-hider flats, and A2 rifle buffer tubes. It also has a 1/2-inch breaker-bar drive plus 3/16-inch and 3/8-inch hex drivers.

Key Features

  • Mil-spec AR-15 barrel nut included
  • 4140 steel wrench with hardened manganese-phosphate finish
  • Castle-nut, flash-hider, and rifle buffer-tube wrenching surfaces
  • 1/2-inch breaker-bar drive
  • 3/16-inch and 3/8-inch hex drivers

Detailed Specifications

included
Mil-spec barrel nut and armorer's wrench
wrenchMaterial
4140 steel
wrenchFinish
Hardened manganese phosphate
drive
1/2 in breaker bar
hexDrivers
3/16 in and 3/8 in
sku
CMC-BBL-NUT-KIT

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