Best umarex glock 17 gen 3 magazine 2026 picks

Sep 19, 2026 12:54 AM

A dependable umarex glock 17 gen 3 magazine matters more than it first appears. Feeding issues, weak gas seals, loose fit, or awkward loading can turn a fun backyard session into a stop-and-start mess. A spare magazine also keeps the rhythm going, especially during target drills where constant refilling gets old fast. Small details like BB retention, baseplate shape, valve condition, and follower movement can make the difference between smooth shooting and annoying pauses.

Magazine compatibility deserves real attention because Glock-style Umarex replicas can vary by model, caliber type, and power system. A magazine made for a CO2 BB pistol may not suit an airsoft gas blowback version, even if the names look nearly identical. The Glock 17 Gen 3 label should be matched carefully with the specific pistol version before buying. That little bit of checking saves money, frustration, and the classic “why won’t this seat right?” moment.

Build feel also counts. A heavier metal magazine gives the pistol a more grounded grip and often feels closer to the real training layout, while a lighter unit may be easier to carry in multiples. The tradeoff usually lands around weight, price, and maintenance. A CO2 magazine needs attention around seals and piercing points, while a gas magazine asks for smart storage and occasional silicone care.

Reload practice feels more natural with extra magazines on hand. Instead of pausing every string to feed BBs or reset a single mag, multiple spares help build cleaner habits. That’s especially useful for draw practice, target transitions, and simple plinking sessions where flow matters. A reliable spare magazine doesn’t make the pistol more powerful, but it makes the whole setup less fussy.

Realistic expectations help too. Even a well-made magazine can leak if stored poorly, dropped hard, or left under pressure for too long. Cold weather can also affect gas efficiency, while dirty BB channels may cause feeding hiccups. The best pick is usually the one that matches the exact pistol, seats firmly, loads without fighting, and holds pressure consistently. Practical, boring, and absolutely worth caring about.

2Pack Magazine Mount for Glock 17 19 22 23 26

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9.2
Brand
TFNUO

Key specs2

Storage Capacity

12 slots across two wall racks

Model Compatibility

Glock 17, 19, 22, 23, 26
Glock 31, 32, 33, 34

Pros & cons32

Pros

Holds up to 12 magazines across a 2-pack configuration to organize your range bench or wall
Supports multiple magazine sizes including full-size Glock 17 and compact Glock 19 profiles
Wall mount design keeps spare magazines upright and readily accessible during reloading sessions

Cons

Wall mounting hardware specifications are unstated and must be checked before installation
Storage rack only, with no magazine or internal components included

Raiseek Magazine Disassembly Tool for Glock Mag Clip Universal with

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9.2
Brand
Raiseek

Key specs2

Tool Material

Solid high-grade aluminum

Base Plate Compatibility

Removes standard Glock base plates without body damage, but will not fit 30-round extended magazines.

Pros & cons42

Pros

Machined from solid high grade aluminum to resist bending during base plate removal
Textured non-slip grip provides steady leverage without marring magazine bodies
Includes a protective storage pouch to keep the tool ready in your range bag
Solid aluminum build is backed by a lifetime warranty from the manufacturer

Cons

Does not work on 30-round magazines or extended base plates
Designed for standard firearm base plates and requires care on airgun valve assemblies

Umarex USA Glock 19 Gen3 Magazine for .177 Caliber BB

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9.0
Brand
Umarex

Key specs2

Ammunition Type

.177 caliber steel BBs

Frame Fit Warning

Built strictly for the compact Glock 19 air pistol; the shorter body cannot lock into full-size Glock 17 frames.

Pros & cons32

Pros

Factory Umarex magazine built specifically for .177 caliber steel BB air pistols
Houses 15 steel BBs for steady target practice and plinking strings
Compact profile weighs just 0.2 pounds for easy transport in range gear

Cons

Sized for compact Glock 19 frames and will not seat properly in full-size Glock 17 grips
Restricted to .177 caliber steel BBs and cannot feed 6mm airsoft ammunition

Umarex Glock 17 Gen3 GBB (GHK) Blowback 6mm BB Pistol

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8.8
Brand
Umarex

Key specs2

Airsoft Magazine Spec

Caliber: 6mm plastic airsoft BBs
Capacity: 20 rounds
Construction: Heavyweight aluminum

Pistol Compatibility

Designed for the Umarex Glock 17 Gen3 GBB airsoft model (part 2276346); will not function with .177 BB airguns.

Pros & cons32

Pros

Exact factory fit for the Umarex Glock 17 Gen3 GBB airsoft pistol, part number 2276346
20-round capacity provides authentic reload drills with 6mm plastic BBs
Heavyweight aluminum body delivers realistic heft and drop-out action

Cons

Incompatible with .177 caliber steel BB pistols
Green gas propellant is not included and must be purchased separately

CYTAC OWB Holster for Glock 17 22 31 Gen 1-4

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8.8
Brand
CYTAC

Key specs2

Retention Mechanism

Level II retention secures the trigger guard upon holstering and releases with an index finger button.

Holster Fitment

Elite Force Glock 17 and 18c replicas
Glock 17, 22, and 31 (Gen 1 through 5)
Belts up to 2 inches wide

Pros & cons42

Pros

Fits Umarex Elite Force Glock 17 and Glock 18c frames alongside standard Glock models
Level II retention system automatically locks the trigger guard with an audible click
360-degree rotating paddle attachment fits web and duty belts up to 2 inches wide
Military-grade polymer construction withstands extreme temperature conditions

Cons

Incompatible with Polymer80 frames
Holster only, requiring separate pouches for spare magazine carry

Umarex GLOCK 17 Blowback .177 Caliber BB Gun Air Pistol,

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8.6
Brand
Umarex

Key specs2

Ammunition Type

.177 caliber steel BBs

Replica Match

Engineered specifically for the full-size Umarex Glock 17 Gen3 blowback .177 BB air pistol.

Pros & cons32

Pros

Dedicated factory replacement magazine for the Umarex Glock 17 Gen3 blowback .177 BB pistol
Matches the full-size Glock 17 grip frame for proper seating and latch engagement
Engineered specifically for .177 caliber steel BB feeding in blowback action airguns

Cons

Specific BB capacity and internal CO2 housing details are unstated and must be confirmed on packaging
Does not accept 6mm plastic airsoft ammunition

Hammy3DPrints Orange Dry Fire Non-Functional Dummy Magazine Compatible with Glock

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8.4
Brand
Hammy3DPrints

Key specs2

Training Application

Designed strictly for dry fire and reload drills; contains no spring or follower and will not feed ammunition.

Practice Weight

Approximately 3.5 oz

Pros & cons42

Pros

High-visibility orange body clearly indicates a non-firing training magazine
Weighted design at approximately 3.5 oz replicates realistic empty-magazine handling
High wall count 3D print provides solid durability during repeated reload practice
Includes a lifetime manufacturer warranty

Cons

Non-functional training block with no springs, follower, or ammunition capability
Will not lock the slide back automatically due to lack of moving components

Glock 19 Gen3 6mm BB Pistol Airsoft Gun Magazine, 11-Round

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8.2
Brand
Elite Force

Key specs2

Airsoft Ammo Compatibility

6mm plastic airsoft BBs

Capacity and Sizing

Holds 11 airsoft rounds in a compact Glock 19 shell that is too short for Glock 17 magwells.

Pros & cons33

Pros

Factory Elite Force magazine made for Glock 19 Gen3 6mm airsoft replicas
11-round capacity suitable for compact airsoft sidearm practice
Compact frame dimensions match genuine Glock 19 specifications

Cons

Shorter Glock 19 body will not lock into full-size Glock 17 frames
Limited to 6mm plastic airsoft BBs and cannot feed .177 steel BBs
Gas source and fill valve specifications are unstated and require verification

Last update on 2026-09-19 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Is an Umarex Glock 17 Gen 3 magazine made for .177 steel BBs or 6mm airsoft BBs?

Umarex manufactures Glock 17 Gen 3 magazines for both calibers, so you must match the magazine directly to your pistol barrel markings. The Umarex Glock 17 Gen3 GBB blowback magazine (part number 2276347) feeds 6mm plastic airsoft BBs for pistol model 2276346. In contrast, the Umarex GLOCK 17 Blowback Gen3 spare magazine feeds .177 caliber steel BBs. Check the roll marks on your slide and outer barrel before buying to prevent ordering the wrong ammunition platform.

Will a Glock 19 magazine work in an Umarex Glock 17 Gen 3 pistol?

No, a Glock 19 magazine will not lock into an Umarex Glock 17 Gen 3 frame. Glock 19 magazines, such as the 15-round .177 caliber Glock 19 Gen3 magazine or the 11-round 6mm airsoft version, are built to match the shorter compact grip of the G19. When inserted into a full-size Glock 17 grip, these magazines are too short to reach and engage the internal magazine catch. Always choose full-size Glock 17 magazines to ensure smooth seating and feeding.

How do you verify whether a Glock replica magazine uses green gas or CO2?

Check your pistol model number and the base of the magazine. Airsoft configurations like the Glock 17 Gen3 GBB 20-shot magazine (part number 2276347) rely on specific gas charging valves, whereas other airgun variants house self-contained 12g CO2 capsules. If you shoot blowback gas systems, comparing this platform to an Umarex Glock 17 Gen 4 green gas setup helps clarify how different generations handle gas reservoirs. Always check whether your magazine features a threaded CO2 puncture screw or a brass input valve before loading propellant.

Can you use blank-firing or dry fire magazines in an airgun Glock 17 Gen 3?

No, magazines from other replica categories are completely incompatible with Umarex air pistols. Dedicated platforms like an Umarex Glock blank gun utilize entirely distinct frame dimensions, feed ramps, and internal mechanisms that do not share magazines with .177 or 6mm airguns. For safe reload handling without live ammunition, inert options like the Hammy3DPrints orange dummy magazine fit standard G17 frames at a weight of around 3.5 oz, but they cannot chamber or fire projectiles.

What is the round capacity of an Umarex Glock 17 Gen 3 6mm magazine?

The official Umarex Glock 17 Gen3 GBB airsoft magazine (part number 2276347) holds 20 rounds of 6mm plastic BBs. This black metal magazine has a listed weight of 0.25 pounds and measures 8.75 inches tall, 1.1 inches long, and 5.2 inches wide. It is built specifically for pistol model 2276346, giving you a full 20-shot string between reloads during range drills.

How do you safely remove the base plate from a Glock magazine for maintenance?

Use a dedicated base plate tool rather than prying with pliers or screwdrivers. A specialized device like the Raiseek magazine disassembly tool (part number JWGM00077ZH, model SUVELAM) slides over the retention tabs to remove base plates without chewing up the polymer or damaging the magazine body. If you are servicing an airgun or airsoft magazine that houses an internal pressure chamber, confirm that all gas or CO2 is completely vented before removing any base components.

4.5

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WRITTEN BY

Anthony Bartlett

I'm a hunting editor and outdoor writer. I'm passionate about sharing my knowledge of hunting and the outdoors with others. Specially, ''m always on the lookout for the latest tips, tricks, and news on all things hunting