Custom parts, sights, mounts, barrels, controls, lights, and upgrades for popular Glock pistols

Your Glock is already simple, dependable, and easy to customize. The right parts help you make it fit your hand, your purpose, and the way you actually shoot.

At Mounts Plus, you can shop Glock accessories and upgrade parts for popular models like the Glock 17, 19, 19X, 26, 34, 43, 43X, 45, 47, and 48. Choose from sights, optic mounts, barrels, compensators, trigger components, extended controls, magwells, magazine extensions, recoil systems, lights, lasers, holsters, grip upgrades, and other compatible parts from trusted brands.

Whether you are setting up a carry pistol, home-defense handgun, range build, or competition-style setup, this page makes it easier to compare the parts that match your goal.

Before ordering, always confirm your model, generation, optic footprint, thread pitch, holster fit, and product-specific compatibility notes.

Shop by Model

Different Glock models use different parts, so fitment should always come first.

Glock 17

The Glock 17 is a full-size platform with strong support for sights, barrels, optic mounts, magwells, lights, recoil systems, and magazine upgrades. It is a popular choice for range use, home defense, and duty-style setups.

Glock 19 and 19X

The Glock 19 and 19X are popular for carry, training, and home defense. Common upgrades include sights, weapon lights, trigger components, slide parts, optic mounts, and grip-related parts.

Glock 26

The Glock 26 is compact, so many buyers look for grip extensions, sights, magazine upgrades, and carry-friendly parts that improve control without adding too much bulk.

Glock 34

The Glock 34 is a favorite for range and competition-style builds. Shoppers often look for optic mounts, sights, magwells, recoil parts, triggers, and magazine extensions.

Glock 43, 43X, and 48

Slimline pistols need parts that match their frame and slide design. Check each product listing carefully for 43, 43X, and 48 compatibility.

Glock 45 and 47

The Glock 45 and 47 share some compatibility with other models, but not every part is universal. Review fitment notes before choosing controls, sights, optic mounts, or recoil parts.

Gen 3, Gen 4, and Gen 5 Compatibility

Generation matters. Some external parts may fit several generations, while internal components, controls, recoil assemblies, magwells, and grip-related upgrades can be generation-specific.

Gen 3 pistols have one of the largest aftermarket parts selections.

Gen 4 models share some compatibility with Gen 3, but not all parts interchange.

Gen 5 pistols include design changes that can affect triggers, controls, recoil systems, magwells, and some frame-related parts.

For the best fit, shop by both model and generation.

Sights, Optics, and Mounting Options

Better sights are one of the most useful upgrades you can make. Night sights, fiber optic sights, suppressor-height sights, and adjustable sight sets can help match the pistol to your eyes and your intended use.

If you want to run a red dot, make sure the mounting solution matches your slide and optic footprint. Some setups use MOS plates. Others use a dovetail optic mount or a slide that is already cut for a specific footprint.

Popular sight and optic-related parts include:

• Night sights
• Fiber optic sights
• Suppressor-height sights
• Red dot mounts
• Dovetail optic plates
• MOS-compatible mounting parts
• RMR, DeltaPoint Pro, Venom, Viper, and FastFire footprint options

Barrels, Slides, and Compensators

Barrel and slide upgrades are popular for custom builds, range pistols, and muzzle-device-ready setups.

Threaded barrels are often used with compatible compensators and suppressor mounts where legal. Many 9mm threaded barrels use a 1/2x28 thread pitch, but you should always confirm the product details before buying.

Compensators can help reduce muzzle rise for range and competition-style setups. Make sure the compensator matches the barrel thread pitch and slide configuration.

Slide upgrades may include optic cuts, front serrations, window cuts, and upgraded finishes. Always verify model and generation fitment before ordering.

Triggers, Connectors, and Internal Parts

Trigger-related parts are popular because they can change the feel of the pistol. Some shooters want a cleaner pull, a more defined reset, or replacement internal components for maintenance.

Common internal parts include:

• Connectors
• Trigger components
• Spring kits
• Slide parts
• Frame parts
• Maritime spring cups
• Factory replacement parts

Reliability and safe function should always come first. Follow the manufacturer’s instructions and consult a qualified gunsmith if you are unsure about installation.

Extended Controls and Handling Upgrades

Small control upgrades can make a pistol easier to operate. Extended magazine releases, slide releases, slide locks, grip plugs, and back plates are popular because they can improve access, comfort, or customization.

These parts are often model and generation-specific, so check compatibility before ordering.

Magwells, Base Plates, and Magazine Extensions

Magwells help guide reloads and are popular for range and competition-style builds. Magazine extensions can add capacity or improve grip surface, depending on the model.

Base plates and grip extensions are also common upgrades for compact and slimline pistols.

Before buying, confirm magazine type, model compatibility, generation fitment, and whether the part affects holster fit.

Recoil Systems and Springs

Recoil rods, spring kits, and recoil reduction systems can change how the pistol feels during cycling. These upgrades are often chosen for range use, competition-style setups, or shooters who want to tune the feel of their pistol.

Choose a recoil system made for your exact model and generation.

Lights, Lasers, and Carry Gear

A weapon light is one of the most practical additions for home-defense or low-light use. Streamlight, SureFire, and other major light brands are popular because they are widely supported by holster makers.

Before choosing a light or laser, check rail fit, switch style, battery type, size, and holster compatibility.

Best Upgrades by Use Case

For Carry

Focus on dependable sights, low-profile controls, a compatible holster, and parts that do not add unnecessary bulk.

For Home Defense

A quality light, clear sights, and reliable magazine equipment are good places to start.

For Range Use

Consider sights, recoil parts, magazine extensions, grip upgrades, and trigger components that improve comfort and consistency.

For Competition

Look at optic mounts, magwells, extended controls, compensators, threaded barrels, magazine extensions, and recoil tuning parts.

For Custom Builds

Match your parts by fit, finish, and function. Barrels, slides, back plates, base plates, controls, sights, and magwells can all help create a cleaner finished pistol.

Popular Brands Available at Mounts Plus

Mounts Plus carries parts and upgrades from trusted brands, including:

• AmeriGlo
• Trijicon
• Ghost Inc.
• DPM Systems
• EGW
• Dueck Defense
• Magpul
• Streamlight
• SureFire
• Pearce Grip
• UM Tactical
• Vortex Optics
• TacRack
• Uncle Mike’s
• Blackpoint Tactical

Some brands specialize in sights. Others focus on optic mounts, recoil systems, controls, lights, grip parts, holsters, or internal components. Comparing them in one place helps you choose the right setup faster.

How to Choose the Right Parts

Start with fitment, then choose by purpose.

Before ordering, check:

• Model
• Generation
• Part type
• Brand
• Product fitment notes
• Optic footprint
• Thread pitch, if applicable
• Magazine compatibility
• Holster compatibility
• Installation requirements
• Local laws and regulations

A simple carry build may only need sights and a light. A home-defense pistol may benefit from a light, clear sight picture, and reliable magazine equipment. A range or competition-style setup may use a mix of optic mounting, recoil control, magwell, and magazine upgrades.

Why Buy from Mounts Plus?

Mounts Plus makes it easy to compare Glock accessories by model, generation, category, brand, and price. Instead of searching through scattered product pages, you can shop sights, optic mounts, barrels, compensators, triggers, controls, recoil systems, magwells, magazine extensions, lights, lasers, holsters, and replacement parts in one place.

Browse the selection above to find the right parts for your Glock pistol.

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E. FAQ Section

What are the most popular upgrades for Glock pistols?

Popular upgrades include sights, optic mounts, barrels, compensators, trigger components, extended controls, magwells, magazine extensions, recoil systems, lights, lasers, and grip parts.

Are Glock parts interchangeable between models?

Some parts fit multiple models, but many are model-specific. Always check the product listing for your exact model before ordering.

Do Gen 3, Gen 4, and Gen 5 parts fit the same pistols?

Not always. Some parts fit across generations, but controls, magwells, recoil systems, and internal components may require generation-specific fitment.

What is the best first upgrade?

Many shooters start with sights because they are simple and useful. A weapon light, optic mount, magazine extension, or grip upgrade may also be a good first choice depending on how the pistol is used.

Can I add a red dot?

Yes, depending on your slide. You may need an MOS plate, a dovetail optic mount, or a slide that is cut for your optic footprint.

Do compensators require a threaded barrel?

Most compensators require a threaded barrel. The thread pitch on the barrel must match the compensator.

What upgrades help with recoil control?

Common recoil-control upgrades include compensators, recoil reduction systems, spring kits, and grip-related parts.

Are pistol lights universal?

Not completely. Many lights fit standard pistol rails, but size, switch design, and holster compatibility should be checked before buying.

What brands make good Glock parts?

Popular brands include AmeriGlo, Trijicon, Ghost Inc., DPM Systems, EGW, Magpul, Streamlight, SureFire, Pearce Grip, UM Tactical, Dueck Defense, and Vortex Optics.

What should I check before buying?

Check your model, generation, part category, fitment notes, optic footprint, thread pitch if applicable, magazine type, holster compatibility, installation requirements, and local laws.