Return to Hammerli Forge H1 1911 22lr 15+1 Magazine Upgrade
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  0 of 0 people found the following review helpful:
 
5 of 5 Worth it July 2, 2026
Reviewer: Jonny B from Phoenix, AZ United States  
Easy to install and added capacity

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  0 of 0 people found the following review helpful:
 
3 of 5 Ok June 28, 2026
Reviewer: Stanley Novinger from De Beque, CO United States  
In my case it seemed to make the mag harder to insert into the gun.

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  0 of 0 people found the following review helpful:
 
5 of 5 Works Great May 28, 2026
Reviewer: Eli D  
At first it only could load 14 rounds, but after running a full mag, I could load it with 15. Other than that, runs great.

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  0 of 0 people found the following review helpful:
 
5 of 5 Mag upgrade April 14, 2026
Reviewer: Larry Stafford from Phoenix, AZ United States  
I am happy with the quality of the item purchased I've not shot the gun with this upgrade yet but it should be fine.

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  0 of 0 people found the following review helpful:
 
5 of 5 March 6, 2026
Reviewer: Terry McClelland from Linn Valley, KS United States  


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  0 of 0 people found the following review helpful:
 
5 of 5 Magazine Upgrade February 20, 2026
Reviewer: David Crow from Broken Arrow, OK United States  
Super easy to install, works great.  Nice to have the extra 3 rounds in the mag.

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  0 of 0 people found the following review helpful:
 
5 of 5 15 Rnd Mag Upgrade February 5, 2026
Reviewer: Michael Capasso from Gulfport, MS United States  
Assembled and work too bad need to give up the lil loading asst button

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  0 of 0 people found the following review helpful:
 
1 of 5 Does not fit correctly January 20, 2026
Reviewer: Stephen Owen from Eagle Mountain, UT United States  
It’s a great concept I was able to update from the 12 to the 15 Magazine, The downside is pushing the magazine into the pistol. It doesn’t quite fit. I have to remove one of the bullets to make it fit correctly so now it’s only a 14 round magazine just too much tension or something going on with the.

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  1 of 1 people found the following review helpful:
 
5 of 5 Hammerli mag extension December 18, 2025
Reviewer: South Texas from Victoria, TX United States  
product dropped straight in just as stated ,i did not have a single hickup with the expansion also fit 15rnds just as stated. you will lose the charging handle on the follower ,however i opted for the Taylor control as replacement.

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  0 of 0 people found the following review helpful:
 
5 of 5 Quality Products at a Fair Price! December 16, 2025
Reviewer: Bigs from Norman, OK United States  
The magazine capacity expanders and thread adapters I bought fit great and work as they should.  Would repeat.

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