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Customer Reviews
Most Recent Reviews
A Bit Pricey but Necessary by Luther Gillis, Verified Owner, January 15, 2021
If you're attaching or removing a handguard that uses the YHM style barrel nut, this is going to be a practically essential tool for you. It's about the only way to get handguards of the like on and off without damage. As for the tool itself, it is n...
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Most Recent Reviews
Proprietory Tools by razer1, September 5, 2020
The item arrived in good condition. This is a forearm tool unique to Yankee Hill Machine manufactured quad rails and is a must for proper installaltion of their products. If you like teir original design quad rails this tool is for you. Glad I got...
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Most Recent Reviews
Perfect tool by Larry, February 17, 2019
Works as described, good quality and durable. Would recommend for purchase, used it multiple times and still in perfect condition. Overall, great quality and very durable. Don’t hesitate to buy it, it’s great.
Most Recent Reviews
Needed for YMH Handguard Install by Michael W., Verified Owner, April 2, 2018
Was a little perturbed that I needed a specialized tool to install the YHM handguard but after installing the handguard and using the tool to do so I was very pleased to have it and that it worked so well. The install was easy and well described and...
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Most Recent Reviews
Works Well by Peckerhead, January 1, 2017
Tool worked perfectly for changing the hand guard on my AR. Made it easy to remove the old barrel nut and install the new nut. Good price and fast shipping. Have purchased several products from Optics Planet and never had any issue with service or...
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Product Info for Yankee Hill Machine Forearm Wrench YHM-9621

Handy tool allows for the easy removal and installation of YHM’s forearms. Incorporated into the design is a tool for tightening the barrel nut and a spanner wrench for tightening the jam nut. Made from quality hardened steel and black oxide plated.image

Specifications for Yankee Hill Machine Forearm Wrench YHM-9621:

Mfg Item Num:  YHM-9621
Type:  ACCESSORIES - GUN ACCESSORIES - GUNSMITHING TOOLS
made in specialized factories:  made in specialized factories
Tactica:  Tactical
Master Model Header:  Forearm Wrench

Yankee Hill Machine Forearm Wrench YHM-9621 Orderable Models

List of Orderable Models

  • USED, Yankee Hill Machine Forearm Wrench YHM-9621 , MPN: YHM-9621-EDEMO , Code: YHM-GAW-YHM-9621-EDEMO-RE-B
  • Yankee Hill Machine Forearm Wrench YHM-9621 , MPN: YHM-9621 , UPC: 816701013092 , Code: YHM-GAW-YHM-9621-EE

Yankee Hill Machine Forearm Wrench YHM-9621 Unavailable & Discontinued Models

List of Unorderable Models

  • USED Yankee Hill Machine Forearm Wrench YHM-9621, EDEMO5, Used, Condition Fair , MPN: YHM-9621-EDEMO5 , Code: YHM-GAW-YHM-9621-EDEMO5
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Last updated 2026-07-31 UTC.