Est. 2014 | USA Small Business
Magwell for Glock Gen 3 | Rock-Solid Fit for Fast, Sure Reloads
FREE Delivery & Lifetime Warranty
☑️ Ships for FREE from Texas*
Ships today or next day on most orders that are "In Stock". Some orders that are custom or large may take extra time to prepare.
- Free shipping is 3-10 days and requires a purchase of $70 or more, or choose a faster method at checkout. Be sure to account for the 0-2 days it will take us to pack and ship an order, in addition to the shipping speed you choose.
- All orders ship as soon as possible. We don't like waiting and you probably don't either.
- If there are delays: (Only if delays are in green, above, do we expect them), just know that we are on your side. If you're waiting, we're waiting for you, plus hundreds and sometimes thousands of others to finish being made.
- Shipping times are estimations. Items that are custom, delayed, rejected, or affected by other acts of god will take additional time.
☑️ Why shop with Atomic Defense?
- Highly-rated 4.8/5 star service with 1600+ reviews, and counting!
- Secure transaction guaranteed. AES-256 Military Encryption.
- USA Family-Owned Small Business.
- BBB A+ Rated and Accredited.
- Open Monday to Friday. 9:00 AM to 4:00 PM Pacific.
- Lifetime Warranty.
- Free Shipping on orders over $70 inside the USA.
- Easy Returns and Exchanges.
- Our support doesn't end after the sale. We're here whenever you need us.
Need 10+ of these? Request a quote here:
Fill out the form for 10+ units by clicking here. (Total order must be $5,000 USD or more in value.)
CAGE: 9FAL3
UEI: QQ1EKLBAT886
Address: 2491 Alluvial Ave. Clovis, CA 93611
Need to submit a PO for your department? Fill this out and leave a note at the end.
Return & Exchange policy:
- Summary: Don't take those sweet Instagram pics and then try to return a used item. Must be within 30 days of delivery.
- Exchanges: Realized you need a different item? That's ok! Exchanges and returns are incredibly easy.
- We are a Small Business: We do the most we can to help with return costs, but we are not Amazon and cannot take hits or losses like Amazon.
- Wrong Items: Mistakes rarely happen. Atomic Defense takes pictures of orders before they are packaged and shipped. We pay for return, recertification, and exchange shipping costs if we ever make a mistake on your orders.
- Rules for Returns: We will deduct refurbishing costs, plus materials and labor, of used products or modified products - or decline the return. This includes, but is not limited to; products with residue, smells, scratches, missing parts, debris, dents and damage. **We reserve the right to refuse returns. Refused returns shipping cost back to the buyer are not covered by Atomic Defense.
- Packaging: Ensure returns are packaged safely with thick padding on all six sides. Failure to correctly package returns may damage products and cost will be deducted from Buyer's account or return refused.
- Bulletproof products: No one else accepts returns on ballistic items. We do.** However, recertification X-Ray costs on returned ballistic items is 20%.
- Starting a return/exchange: Click here
Become a product tester:
- Save money, live... wait, that's Walmart... Earn money for reviewing products on your social medias.
- Apply by clicking here.
Strike Industries Magwell for Glock Gen 3 | Stays Tight for Fast, Sure Reloads
- The Strike Industries Magwell for Glock Gen 3 makes reloading your magazine much faster and easier. This SI Magwell for Glock Gen 3 adds a wide funnel to the bottom of your grip, helping you guide the magazine in perfectly every time, even under pressure. This is a simple, must-have upgrade for your Glock 17, 22, 31, or 34.
- Get a Rock-Solid Fit: This magwell uses a special locking design to fit tightly onto your gun, so it will never wiggle or come loose.
- Reload Faster Every Time: The wide, funnel shape guides your magazine right into the grip. This means you get smooth, snag-free reloads when seconds count.
- Built Tough, Stays Light: It is made from a strong polymer plastic that can take a beating without weighing down your pistol.
- Works With Your Gear: This magwell is made to work with most magazine base plates and extensions, including the Strike EMP System.

Product Features & Specifications
The Strike Industries Magwell for Glock Gen 3 is a simple upgrade that solves one of the biggest problems: fumbled reloads. It creates a wide funnel on your grip, making it much faster and easier to guide a magazine in, especially when you're under pressure. What makes this Magwell for Glock Gen 3 special is its rock-solid locking design. Unlike other magwells, this Strike Magwell for Glock Gen 3 fits tight and won't wiggle loose, giving you the confidence you need when it matters most.
Key Features
- Reload Faster, Every Time: The wide, flared opening acts like a funnel to guide your magazine in perfectly, even if your hands are moving fast.
- Get a Rock-Solid Fit: It uses a special locking screw to stay tight on the frame, so it will never wiggle or come loose during use.
- Tough but Stays Light: Made from a strong polymer plastic that can take a beating but adds almost no weight to your pistol.
- Works With Your Gear: Designed to be compatible with most aftermarket magazine base plates and extensions, including the Strike EMP System.
Specifications
- Product: Strike Industries Gen. 3 Magwell for GLOCK 17
- Also Known As: Gen. 3 Magwell for GLOCK 17
- SKU: SI-G3-MAGWELL-17
- Fits Models: Glock 17, Glock 22, Glock 31, Glock 34
- Fits Generation: Gen 3 only
- Material: High-Strength Polymer
- Please Note: This Strike Industries Gen3 Magwell for Glock 17/22/31/34 is not compatible with any backstraps installed on the frame.
What's in the box for your SI Gen. 3 Magwell for GLOCK 17?
- (1) G17 GEN3 Magwell
- (1) M2.5 Socket Head Screw (for installation)

Strike Industries GEN3 Magwell for GLOCK G3 17/22/31/34 FAQs
What does this magwell actually do?
It adds a wide, funnel-like opening to the bottom of your pistol's grip. This guides your magazine right in, helping you reload much faster and easier. It's great for times when you need to be quick and sure.
Will this fit my Glock?
This SI GEN3 Magwell for GLOCK G3 17/22/31/34 is made just for Generation 3 Glocks. It fits the Glock 17, Glock 22, Glock 31, and Glock 34. It will not fit other generations like Gen 4 or Gen 5.
Will this magwell feel loose or rattle?
No. This magwell has a special locking design that holds it on extra tight. You can be confident that it will be rock-solid and will not wiggle or move.
Can I use this if I have a backstrap on my grip?
No. This magwell will not fit if you use any kind of backstrap on your Glock's grip. The grip must be a standard Gen 3 frame with no backstraps added.
Will my special magazines still work?
Yes. This magwell is designed to work with most factory magazines and also with most aftermarket extended base plates, like the Strike EMP System.
Is this made of metal? Will it be heavy?
This magwell is made from a very strong but lightweight polymer (a type of tough plastic). It is built to last and take a beating, but it adds almost no weight to your pistol.
Where can I find a Magwell for Glock Gen 3 for sale?
If you are looking for a GEN3 Magwell for GLOCK G3 17/22/31/34 for sale, the best place to buy is right here at Atomic Defense.
When you purchase from us, you know you are getting a genuine Strike Industries product from an authorized dealer. We don't just sell you a part; we provide reliable customer support to help with any questions you have. We are committed to making sure you are satisfied and confident with your gear.
- We are a Small Business: We do the most we can to help with return costs, but we are not Amazon and cannot take hits or losses like Amazon.
- Lifetime Warranty: Atomic Defense will always stand behind our products. Our lifetime warranty covers any defects and ensures that you never need to worry about parts or the quality of your orders for the entire life of the product.
- Wrong Items: Atomic Defense takes pictures of orders before they are packaged and shipped. We pay for return, recertification and exchange shipping costs if we ever make a mistake on your orders.
- Rules for Returns: We may deduct refurbishing costs, plus materials and labor, of used products or modified products. This includes, but is not limited to; products with residue, smells, scratches, missing parts, debris, dents and damage. **We reserve the right to refuse returns.
- Packaging: Ensure returns are packaged safely with thick padding on all six sides. Failure to correctly package returns may damage products and will be deducted from Buyer's account.
----------
Start a Return or Exchange
Visit our return portal to begin the self-serve return/exchange process.
----------
General Products:
- Must be within 30 days of package delivery.
- No need to purchase a shipping label! Atomic Defense will give you a pre-paid one.
Ballistic and Bulletproof Products:
- Most companies will not accept any returns on ballistic or bulletproof items. We offer recertification as a courtesy.
- Must be within 30 days of package delivery.
- No need to purchase a shipping label! Atomic Defense will give you a pre-paid one.
- A re-certification cost of 20% applies to returns of ballistic and bulletproof products.
- The 20% recertification covers the cost of ensuring the armor is safe. Usually starting with X-Raying the armor for cracks underneath the coating, inspection for damage, and water damage testing. Without this 20%, we would not be able to offer returns on armor.
- There is no way for us to know how or if it was used once shipped, and we have to consider them unsafe until retested, inspected and certified.
- Exchanges and non-ballistic products do not have a re-certification cost.