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Flex Trigger Technology
Pull-and-release triggers for Glock, AK & KRISS Vector
Flex Industries trigger systems fire once when you pull and once when you release. Drop-in designs for Glock Gen 3 to 5, AK-pattern rifles and pistols including the Draco, and the KRISS Vector Gen 2, plus the Flex3MR assisted reset trigger for the AR-15.
- Free shipping over $300
- Ships within 48 hours
- One-year trigger warranty
- Ships within 48 hoursFree shipping over $300
- One-year warrantyCovers defects in materials and workmanship
- Check fitment firstFitment notes are on every product page
- Real supportsupport@flexindustries.com
Shop by platform
Find the Flex trigger built for your firearm.
Which Flex trigger is right for you?
Every Flex trigger explained in plain English, so you can pick the right one the first time.
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Fires on pull & release
Pull-and-Release Triggers
One shot when you pull the trigger and a second when you let it go. Drop-in trigger systems with no permanent modification.
Available for Glock (G-Flex), AK (AK Flex) and KRISS Vector (K-Flex)
Shop Flex triggers -
Bolt-driven reset
Assisted Reset Trigger
Uses force from the bolt carrier to push the trigger forward to reset. Requires a full-auto bolt carrier group; an H2 or H3 buffer is recommended.
Available for AR-15 (Flex3MR)
Shop the Flex3MR -
Limited editions
Rambo Flex & Custom Colors
The Black Rambo collaboration in gold finishes, plus the AK Flex in colors such as Slime Green, Icee Blue and Fuego Red.
Available for Glock and AK platforms
Shop Rambo Flex -
Parts & protection
Parts, Mags & Warranty
Aluminum trigger shoes, clear AR-15 and AK-47 magazines, and the extended lifetime warranty for your G-Flex.
Available for Glock, AR-15 and AK
Shop parts
We do not ship drop-in triggers for civilian use to CA, CT, DC, DE, FL, HI, IA, IL, MA, MD, MN, NJ, NY, RI or WA. Please check your state and local laws before ordering.
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Sale
Rambo-Flex
Rambo Flex White on Gold Trigger
Original price was: $299.99.$219.99Current price is: $219.99.
In stock
g-flex
G-Flex Pull-and-Release Trigger for Glock
$229.99
The G-Flex brings Flex Trigger Technology to the Glock: it fires a round when the trigger is pressed and again when it is released. It is a drop-in trigger mechanism for Glock Gen 3, Gen 4 and Gen 5.
- Drop-in trigger mechanism
- Fits Glock Gen 3, 4 and 5
- Not for civilian sale in CA, CT, DC, DE, FL, HI, IA, IL, MA, MD, MN, NJ, NY, RI or WA
AK-Flex
AK Flex Pull-and-Release Trigger
$249.99
The AK Flex brings Flex Trigger Technology to the AK platform. It is a drop-in for the Draco and most AK-style rifles and pistols, and fires on both the pull and the release.
- Drop-in for the Draco and most AKs
- Fires on pull and on release
- Also available in custom colors and the Rambo 24K gold edition
How ordering works
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1
Choose your platform
Browse by platform and read the fitment notes on each product page.
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2
Check your local laws
We do not ship drop-in triggers for civilian use to some states. Check your state and local laws first.
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3
Shipped within 48 hours
Our team processes and ships orders within 48 hours of purchase.
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4
Tracking by email
Once your order ships, we email you a tracking number so you can follow it.
What customers say
Real reviews from our product pages, shown as they were written.
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I put that thing in and I had to stop myself from mag dumping great customer support and fast replies thank you guys
Fon Verified owner
Rambo AK Flex 24K Gold · Mar 27, 2026
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LOVE IT!!! Put the Red Fuego in my Pioneer and Woke it the “F” Up! Added a arb spring, larger trigger pins and a buffer and it’s smooth as butter and very soft shooting and controllable. I even had to buy a few more 40…
Aaron Gorski
AK-47 Flex Trigger · Jan 14, 2026
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Would it fit my Ak-47 century arms ras47 7.62x39MM
Leonardo Reyes
AK-47 Flex Trigger · Dec 20, 2025
Common questions
Short answers about shipping, state laws, warranty and returns.
Ask us a questionHow fast do you ship?
Our team processes and ships all orders within 48 hours of purchase. Once we ship your order, we email you a tracking number so you can follow your shipment.
Which states do you not ship to?
We do not ship drop-in triggers for civilian use to CA, CT, DC, DE, FL, HI, IA, IL, MA, MD, MN, NJ, NY, RI and WA. Laws change, so please also check your state and local laws before ordering.
What does the warranty cover?
Flex Industries triggers have a one-year warranty covering defects in materials and workmanship from the date of purchase. Keep your sales receipt as proof of purchase. For longer protection you can add the extended lifetime warranty.
Can I return a product?
Returns for no reason are subject to a 35% restocking fee, and you pay the shipping to send the item back. For warranty claims, contact support@flexindustries.com first.
What if my package is lost?
File a dispute with the shipping carrier, then send the case number and supporting documents to support@flexindustries.com. Our team reviews it and decides whether to send a replacement. In most cases a replacement for a lost shipment requires the lifetime warranty.
How do I check that a trigger fits my firearm?
Each product page lists the models it fits, for example Glock Gen 3, 4 and 5 for the G-Flex. If you are not sure, contact our support team before ordering.
Not sure what fits your build?
Ask our team before you order. We can help with fitment, shipping and warranty questions.
