Return to MAS DEFENSE 9MM GLOCK 19 GEN 1-3 FITMENT - FRAME PARTS KIT
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  0 of 0 people found the following review helpful:
 
5 of 5 Wednesday, October 7, 2026
: Harold Bennett from Hull, TX United States  


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5 of 5 As it should be Thursday, October 1, 2026
: Brian Riggs from Gainesville, FL United States  
All necessary parts and all function as they should

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5 of 5 Just what I needed Thursday, September 24, 2026
: Ryan Fees from Pottsville, PA United States  
I been looking for a decently priced parts kit for a build and once again masdefense had what I wanted

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5 of 5 Quality parts and people Friday, August 7, 2026
: Ethan Morris  
I was looking for a look to finish out a recent project and had some technical questions. Called their support number and after two rings I had a member of their staff on the phone who was both polite, and extremely knowledgeable on their products. Can’t ask for anything more.

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5 of 5 Upper frame parts kit Friday, July 24, 2026
: shane sefton from EAST KINGSTON, NH United States  
Got everything in the upper frame parts kit .included everything that I needed. Fit perfectly I have bought parts from these guys before ships out pretty quickly a lot cheaper than a lot of other places

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5 of 5 As advertised Monday, July 20, 2026
:  
Exactly what I needed.

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5 of 5 P80 LPK works great Monday, July 20, 2026
: Kez from Bethlehem, PA United States  
Overall, this is a quality frame parts kit with one important thing to be aware of: it does not include a locking block. That was my oversight for not reading the description carefully. This kit is intended for Polymer80-style frames where the locking block is integrated into the front rail module.  If you're using DD19.2 or similar rails, you'll likely need to purchase a locking block separately.

Aside from that, I was very happy with the kit. The trigger group comes pre-assembled, which makes installation much quicker. It was essentially a matter of dropping the components into the frame, installing the pins, and moving on.
The parts fit well, everything functioned as expected, and I didn't have any issues with quality or tolerances. As long as you understand what platform this kit is intended for and don't expect a separate locking block, it's an excellent LPK that makes for a smooth, straightforward build.

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  1 of 1 people found the following review helpful:
 
5 of 5 Friday, May 15, 2026
: from West valley , UT United States  
Everything was perfect

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5 of 5 Best Parts kit on the market! Thursday, April 23, 2026
: Devil Dog from United States of America  
Unbeatable quality, works and functions every time. I don’t shop anywhere else for parts. MAS Defense is number one in my books!

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5 of 5 Works great Wednesday, April 1, 2026
: Jaymz Scott from Grayland, WA United States  
Great parts fit good functions as it should. Would recommend

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