SKU: 24671359405

Eemann Tech Upgrade Kit For Glock Gen 5, ET-120029

$1170.00 $1300.00
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Description

Eemann Tech Upgrade Kit For Glock Gen 5, ET-120029Description The Eemann Tech Upgrade Kit for GLOCK Gen5 allows you to lighten the trigger pull weight of your GLOCK and extend the magazine catch that allows to reduce the time of magazines reloading. Compatible with GLOCK GEN5 and GLOCK 19X pistols The GLOCK trigger pull weight is adjusted by spring weight and GLOCK OEM connector 4,5 lbs. (2. 0 kg). Testing in an off the shelf Glock Gen 5 produced the following results on average Trigger pull 2. 5Kg

 Description

The Eemann Tech Upgrade Kit for GLOCK Gen5 allows you to lighten the trigger pull weight of your GLOCK and extend the magazine catch that allows to reduce the time of magazines reloading.

Compatible with  GLOCK GEN5 and GLOCK 19X pistols

The GLOCK trigger pull weight is adjusted by spring weight and GLOCK OEM connector 4,5 lbs. (2.0 kg).

Testing in an off the shelf Glock Gen 5 produced the following results on average

Trigger pull 2.5Kg/5.15Lbs
Individual results may vary 


The Eemann Tech Upgrade Kit for GLOCK Gen5 contains: 
• 44-121003 - Eemann Tech GLOCK Firing Pin Spring (Reduced power) - This spring lightens the work of the trigger mechanism.
• 44-121020 - Eemann Tech Competition Trigger Spring for GLOCK Gen5 - This spring helps you to pull the trigger easier.
• 44-121005 - Eemann Tech GLOCK Firing Pin Safety Spring (Reduced power) - This spring lightens the work of the trigger mechanism.
• 21-170241 - (721) - GLOCK OEM Trigger Pull Connector 4,5 lbs. (2.0 kg).
• 21-174191 - (8794) - GLOCK OEM Magazine Catch Extended for GLOCK GEN4/5.

 

NOTE - We do not guarantee that the trigger safety will function correctly after installation of whole kit, because its a competition springs.

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SKU: 24671359405

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4.2 ★★★★★
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Mariano
Phoenix, US
★★★★★ 5
Great Place to Start
Format: Paperback
Clear and entertaining
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Reviewed in the United States on February 17, 2026
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Austin
Grantham, US
★★★★★ 5
Engaging Read for Beginners and Techies Alike
Format: Paperback
An engaging and accessible exploration of how computers really work. The author breaks down complex concepts into simple, relatable explanations, making topics like binary, logic gates, and basic circuits far less intimidating. For newcomers, it’s a great way to build a foundational understanding of computer theory with just a touch of electrical engineering. As someone with a technical background, I still found it entertaining; the examples and analogies added fresh ways to frame ideas I already knew. It’s the kind of book that can bridge the gap between “I use computers” and “I understand what’s happening under the hood.” Highly recommended for anyone curious about what makes hardware and software tick, whether you’re starting from scratch or just want a new perspective.
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Reviewed in the United States on August 19, 2025
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Peter
Belleville, US
★★★★★ 5
CODE is the book you should get.
Format: Paperback
The best book to enter the field. Grateful that Charles Petzold decided to write it, even happier this was one of the first books I picked up. Recommend to everyone wanting to become a programmer, or just interested in computers.
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Reviewed in the United States on January 12, 2026
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Michael Donoghue
Massapequa, US
★★★★★ 5
If you only buy one technical computer book, this is it
Format: Paperback
Disclaimer: I owned the first edition for years and read it a dozen times, mainly for pleasure since it’s not only informative but also just enjoyable to read. I’m a professional software architect and have dozens of textbooks on computer science and engineering so I’ve been around the block. This is the kind of book I would buy all for all my friends (if I had more than a couple) and family members (if they were even slightly into computers, which they aren’t sadly). Petzold does an exceptional job at describing digital logic and guides you through building a conceptual CPU from very first principles. I think his bottom up approach is the way to go and has helped me understand complex topics in an extremely simple way. When I’m not reading fiction, this is my go to bedtime reading. The second edition has about 100 more pages than the first and some content has been completely reworked and it’s great. If you ever had even a passing interest in knowing how computers work at a very fundamental level, get this book!
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Reviewed in the United States on January 31, 2023
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Yura
Lowell, US
★★★★★ 4
First programmer?
Format: Paperback
As an ardent reader of the past 1st edition, I was fairly excited to get the latest version. That is, until I encountered the history chapter of the new edition. For one thing, what I do NOT understand in this second edition is the newly added description of August Ada Byron (countless of Lovelace). The author claims it was Babbage who was the first programmer to design the engines, not Ada. I am not trying to start a futile argument here about who has more or fewer contributions, etc. What I am trying to assert here is that it is undisputed that Ada (unless the new evidence arises) left *the very first demonstration* of what this seemingly imaginary machine, which didn't even physically exist, was capable of through her program. Because Babbage designed the engine itself, that doesn't automatically put him in the position of a programmer (despite Babbage being a brilliant engineer/scientist and may have had a simple or detailed program in his mind). However, it was Ada who gave a definite touch to programming concepts that ultimately led to modern-day programming. Ada deserves more recognition than a mere "tutorial writer," and she is certainly entitled to the title she deserves. Other than that, like the previous edition, this book is a must-read for people who are from related/unrelated fields. I always loved the 1st edition, and I would do too with the 2nd. Still, I think history should always be approached with more care, particularly if matters have potential controversies.
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Reviewed in the United States on January 6, 2023

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