Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The Glock G17 Gen5 M.O.S. 9mm 4.49 Marksman Barrel Fixed Sights Ambi Slide Stop Flared MAG Well 17rd MAG Glock is a factory Glock magazine, designed for reliable feeding in compatible Glock 17 Gen5 M.O.S. pistols. This 17-round magazine is currently available for $34.99.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
What are the specifications of this Glock G17 Gen5 M.O.S. magazine?
| Product Type | Magazine |
|---|---|
| Material | Polymer with steel insert |
| Manufacturing | Glock factory original |
| Finish | Black polymer |
| Hardness/Quality | High-strength polymer, consistent with Glock OEM standards |
| Compatibility | Glock G17 Gen5 M.O.S. 9mm pistols and other Gen5 G17 models |
| Installation/Usage | Standard magazine insertion and removal |
| Weight | Approximately 2.8 oz (empty) |
| Dimensions | Standard Glock 17 magazine dimensions |
| Country of Origin | Austria |
| Condition | New |
| SKU | Glock G17 Gen5 M.O.S. 9mm 4.49 Marksman Barrel Fixed Sights Ambi Slide Stop Flared MAG Well 17rd MAG Glock |
What makes this Glock G17 Gen5 M.O.S. magazine a good choice?
- Factory Reliability: As an original Glock factory magazine, it’s engineered to the same specifications as the magazine that came with your pistol, ensuring consistent feeding and function with your Glock G17 Gen5 M.O.S. 9mm.
- Durable Construction: Built from Glock’s robust polymer with a hardened steel insert, this magazine is designed to withstand the rigors of regular use, whether at the range or for defensive purposes.
- 17-Round Capacity: Provides the standard capacity for the Glock 17 platform, offering ample rounds for training, competition, or self-defense scenarios.
- Integrated Follower: Features the standard Glock orange follower, aiding in visual confirmation of an empty magazine.
- Flared Mag Well Compatibility: Designed to seamlessly integrate with the flared magazine well of the Glock G17 Gen5 M.O.S., allowing for quicker and more positive reloads.
- Wide Availability: Being a factory Glock product, spare parts and accessories for maintenance are readily available.
Who is this Glock G17 Gen5 M.O.S. magazine for?
Buy it if:
- You own a Glock G17 Gen5 M.O.S. 9mm pistol and need additional reliable magazines.
- You are a competitive shooter looking for consistent performance and quick reloads.
- You prioritize factory original equipment for maximum reliability in your firearm.
- You want a durable magazine that can handle extensive use at the range or in the field.
- You appreciate the subtle improvements of the Gen5 design, including compatibility with flared mag wells.
Skip it if:
- You are looking for a higher capacity magazine (see our High Capacity Magazines for options).
- You own a different model Glock or another brand of pistol, as this magazine is specifically for the Glock 17 Gen5.
- You are on a very tight budget and are willing to experiment with aftermarket alternatives, though we always recommend factory mags for critical applications.
How does this Glock G17 Gen5 M.O.S. magazine compare to other options?
| Feature | Glock G17 Gen5 M.O.S. 17rd Magazine (OEM) | Magpul PMAG 17 GL9 (Aftermarket) | ETS Group Glock 17 Magazine (Aftermarket) |
|---|---|---|---|
| Material | Glock polymer with steel insert | Proprietary polymer | Advanced, clear polymer |
| Quality | OEM standard, proven reliability | High-quality aftermarket, generally reliable | Good aftermarket, some users report feeding issues with specific ammo |
| Compatibility | Glock G17 Gen5 M.O.S. (and earlier G17s) | Glock G17 (Gen1-4, some Gen5 fit issues reported) | Glock G17 (Gen1-4, some Gen5 fit issues reported) |
| Shipping | Same-day from Kansas Gunshop | Varies by retailer | Varies by retailer |
| Lifespan/Durability | Excellent, long-lasting with proper care | Very good, comparable to OEM in many aspects | Good, but clear polymer can be more prone to cracking from drops |
| Price | $34.99 | ~$15-20 | ~$15-25 |
Frequently Asked Questions about Glock Magazines
What is the capacity of this Glock G17 Gen5 M.O.S. magazine?
This is a standard 17-round capacity magazine for the Glock G17 Gen5 M.O.S. 9mm pistol.
Is this magazine compatible with older generation Glock 17 pistols?
While primarily designed for the Gen5, this magazine will generally function in older generation Glock 17 pistols (Gen3, Gen4) as well. However, the flared baseplate is optimized for the Gen5’s flared mag well.
Why should I choose an OEM Glock magazine over an aftermarket option?
OEM Glock magazines are manufactured to precise factory specifications, ensuring the highest level of reliability and compatibility with your Glock firearm. While aftermarket options can be more affordable, factory magazines often offer superior durability and consistent performance, which is crucial for self-defense or competitive use.
Are there any special maintenance requirements for Glock magazines?
Glock magazines are known for their durability and require minimal maintenance. Periodically disassembling and cleaning the magazine to remove dirt or debris, and checking the spring for any signs of wear, will help ensure its longevity and reliable function. Avoid storing magazines fully loaded for extended periods, as this can compress the spring over time.
Where can I buy Glock G17 Gen5 M.O.S. 9mm magazines online?
You can purchase the Glock G17 Gen5 M.O.S. 9mm 17rd magazine and other firearm accessories directly from Kansas Gunshop at kansas-gunshop.com. We offer same-day shipping from Wichita, KS, and a secure checkout process.
Will this magazine work with a Glock 19?
No, this Glock 17 magazine is too long for the Glock 19 grip and will not properly seat or function in a Glock 19 pistol. You need a Glock 19 specific magazine for that model.
Is this magazine legal in all states?
Magazine capacity restrictions vary by state and local jurisdiction. It is the buyer’s responsibility to know and comply with all applicable laws regarding magazine capacity in their area before purchasing. We cannot ship high-capacity magazines to restricted states.
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