Will these accessories fit the HK USP Compact 9mm and .40 S&W?

Yes. All accessories listed are designed to fit standard HK USP Compact models regardless of caliber, including 9mm and .40 S&W.

Can I mount a red dot sight on my USP Compact without slide milling?

Yes. We offer dovetail-mounted red dot adapters that allow optics to be added to your HK USP Compact without permanent modifications.

Which weapon lights are compatible with the HK USP Compact?

The Streamlight TLR-3 and TLR-4 models are compact lights that fit the USP Compact's proprietary rail system and offer white light or laser functionality.

Do you offer suppressor-height sights for the USP Compact?

Yes. Some night sight options are available in suppressor-height configurations. Always verify height specs for red dot or suppressor use.

Are the parts OEM or aftermarket?

We offer both genuine HK-compatible parts and high-performance aftermarket upgrades from brands like Trijicon, Meprolight, DPM Systems, and more.

HK USP Compact Accessories – Sights, Lights, Mounts & Upgrades

Name: HK USP Compact Accessories Collection
Brand: Heckler & Koch
Availability: InStock

HK USP Compact Red Dot

HK USP Compact Light

HK USP Compact Sight

**Trijicon H&K USP Compact HD Night Sight Set - HK108O/HK108Y** $129.36

**Uncle Mike's Kydex Holsters for HK USP Compact (all calibers) & Compact with Paddle & Belt Loop** $23.95

**Streamlight TLR-4G C4 LED Weapon Light with Green Laser** $292.79

**EGW Dovetail Mount for Vortex Viper/Venom Sight Mount for HK USP Compact (fits Burris FastFire and .** $47.49

**EGW Dovetail Red Dot Mount for the Trijicon RMR / SRO, Holosun 407c / 507c for HK USP Compact** $47.49

**Streamlight TLR-3, Compact Rail Mounted Tactical Light** $103.07

**Streamlight TLR-4 Compact Rail Mounted Tactical Light with Laser Sight** $136.69

**DPM H&K USP Compact Magazine Glass Breaker Floorplate** $77.60

**Meprolight Td H&k USP Compensator 9/40 Grn/org** $89.99

HK USP Compact Accessories – Tactical Upgrades for Performance, Defense & Carry

Looking to upgrade your HK USP Compact for defense, duty, or competition? At Mounts Plus, we offer a full selection of HK USP Compact accessories that boost performance, enhance functionality, and support customization of one of Heckler & Koch’s most iconic pistols.

From night sights and red dot mounts to tactical lights, recoil systems, and holsters, you’ll find trusted gear that delivers real-world performance—fitted perfectly to your USP Compact.

🏆 Best-Selling Accessories for HK USP Compact

Accessory Type	Top Brands	Key Features
Night Sights	Trijicon, Meprolight	Tritium glow for low-light targeting
Red Dot Mounts	EGW, Trijicon	Dovetail mounts for RMR, Holosun
Weapon Lights & Lasers	Streamlight	TLR-3, TLR-4G with integrated laser
Recoil Reduction Systems	DPM Systems	Muzzle flip control & smoother cycling
Holsters (IWB/OWB)	Uncle Mike’s	Paddle, belt-loop, and compact fits
Base Plates & Mag Upgrades	DPM	Glass breaker floor plates, + capacity

🔧 HK USP Compact Upgrades That Matter

Whether you're a concealed carrier, competitive shooter, or tactical operator, these are the most effective HK USP Compact modifications:

🔹 Night Sights

Trijicon HD & Meprolight tritium sights
Perfect for defensive low-light shooting

🔹 Red Dot Mounts

Dovetail adapter plates for Trijicon RMR, Holosun 507C, Vortex Venom
No slide milling required

🔹 Tactical Lights & Lasers

Compact options like the TLR-3 and TLR-4G
Mounts easily to USP Compact rail for improved target ID

🔹 Recoil Reduction Systems

DPM Systems offers multi-spring systems to reduce felt recoil
Better follow-up shot speed & control

🔹 Holsters

OWB and paddle options molded for USP Compact
Comfortable EDC with secure retention

🔍 Frequently Asked Questions (FAQs)

Q: Will these accessories fit the USP Compact 9mm and .40 S&W?
A: Yes. All accessories listed on this page are compatible with standard HK USP Compact models across calibers.

Q: Can I mount a red dot on the USP Compact without milling the slide?
A: Yes. We offer dovetail optic mounts that fit RMR, Holosun, Burris, and other micro red dots without permanent modifications.

Q: What lights fit the HK USP Compact?
A: The Streamlight TLR-3 and TLR-4 models are compact, rail-compatible, and offer white light or laser combos ideal for defense.

Q: Do these sights support suppressor height?
A: Some models like Meprolight suppressor sights are available. Always check height specs if co-witnessing or suppressor use is required.

Q: Are these accessories OEM or aftermarket?
A: We carry both genuine HK-compatible parts and high-quality aftermarket upgrades vetted by professionals.

🛒 Why Buy from Mounts Plus?

✔️ Tactical Accessories That Fit – No guesswork, no generic parts
✔️ Trusted Brands Only – Trijicon, Meprolight, Streamlight, DPM, Uncle Mike’s
✔️ Fast U.S. Shipping – All items ship from our domestic warehouse
✔️ Expert Support Since 1994 – Not sure what fits? Our team is here to help

🚀 Get the Most from Your HK USP Compact

Equip your pistol for defense, duty, or range use with precision accessories that give you the edge. Our HK USP Compact parts are trusted by law enforcement, military professionals, and everyday carriers who won’t compromise on performance.

➡️ Shop HK USP Compact Accessories Now
➡️ Upgrade with confidence, carry with purpose