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Hammerli Forge H1 1911-22LR 1/2x28 Blued Thread Adapter with Thread Protector

hammerli | forge H1 | 1911-22 | Walther 1911-22 | Umarex 1911-22 | 1/2x28 adapter | Blued Steel Fluted Thread Protector | thread Adapter | suppressor | 22lrupgrades | Colt | nictaylor | black
 
This thread adapter quickly and easily replaces the factory barrel nut with no modifications to the pistol and allows the user to mount any 1/2x28 TPI threaded accessories such as a suppressor, an AR15 muzzle devices. No special wrench is required. Any 10mm open end wrench found in a standard tool set will work to install and remove this adapter. Constructed of black oxide steel with included fluted thread protector.
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MSRP: $34.99
Our Price: $24.99
Savings: $10.00


Shipping: Usually Ships in 1 to 2 Business Days
Part #: 800-HAMR-BL
Qty:

Installation Instructions RESTRICTIONS
 
1. Remove factory muzzle protector and replace with thread adapter. When not attaching a muzzle device to the thread adapter, screw on the thread protector to keep from damaging the threads of the adapter.



Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 27 Write a review »

  0 of 0 people found the following review helpful:
 
5 of 5 So far, so good Wednesday, September 23, 2026
Reviewer: Anonymous Person from Savannah, MO United States  
I'm happy to report that so far the thread protector has done it's job through the limited use it's seen.

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  0 of 0 people found the following review helpful:
 
5 of 5 Thread protector Sunday, August 30, 2026
Reviewer: Gary Boykin from Lexington, SC United States  
Works great

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  0 of 0 people found the following review helpful:
 
5 of 5 Hammerli Forge H1 1911-22LR 1/2x28 Blued Thread A Friday, July 31, 2026
Reviewer: James Bocckinfuso from Hardy, VA United States  
This is a real "class" piece of machined metal.  Fir and finish is perfect.

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  0 of 0 people found the following review helpful:
 
5 of 5 Looks great, easy install Thursday, July 2, 2026
Reviewer: Jonny B from Phoenix, AZ United States  
Ready to add a suppressor at any time now

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  0 of 0 people found the following review helpful:
 
5 of 5 Great thread adapter Thursday, June 25, 2026
Reviewer: Jason Nitz from Tolleson, AZ United States  
This thread adapter is 10x better than the other brands. Will accept a standard wrench instead of just the one that comes with the Hammerli.

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