Underbarrel grenade launchers add a powerful punch to your airsoft gameplay. These attachments are designed to be mounted under the barrel of your rifle, providing extra firepower and tactical advantages. In this article, we’ll explore some of the best under-barrel grenade launchers available on the market, highlighting their features, pros, and cons.
1. ICS-190 GLM Multiple Grenade Launcher

Pros and Cons
Pros | Cons |
Aggressive and great looking design | Heavy and bulky |
Solid build quality | Some plastic parts |
Highly customizable with rails | Sold with a cheap stock |
Can fire up to 6 grenades rapidly | Drum is spring-loaded |
Verdict:
The ICS-190 GLM Multiple Grenade Launcher offers an aggressive appearance and substantial firepower, perfect for players in supporting roles.
2. Matrix CQB 40mm Tactical Grenade Launcher

Pros and Cons
Pros | Cons |
Extremely lightweight and compact | Reloads slower than average launchers |
Easy and fun to use | May lose functionality when mounted |
Compatible with many shells | |
Can be mounted on SMGs |
Verdict:
The Matrix CQB 40mm Tactical Grenade Launcher is a practical option for CQB scenarios, offering quick deployment and ease of use.
3. ASG B&T GL-06 Stand Alone Airsoft 40mm Gas Grenade Launcher

Pros and Cons
Pros | Cons |
Compact and lightweight | Heavy on the front end |
Ambidextrous controls | The tube may loosen |
Customizable with rails | |
Can be used as a regular SMG |
Verdict:
The ASG B&T GL-06 Stand Alone Airsoft 40mm Gas Grenade Launcher provides stability and versatility for players seeking a rifle-like experience.
4. Madbull XM203 Short Type Airsoft Grenade Launcher

Pros and Cons
Pros | Cons |
Compact and lightweight | Doesn’t lock the pipe automatically |
Multiple safety mechanisms | Slow to reload |
Made out of metal | Doesn’t lock pipe automatically |
Solid and reliable |
Verdict:
The Madbull XM203 Short Type Airsoft Grenade Launcher offers compactness and reliability for players who need a powerful backup option.
5. Matrix EGLM Type 40mm Grenade Launcher for MK16 MK17

Pros and Cons
Pros | Cons |
Compact design with textured tube | Mounts on MK16 and MK17 only |
High-quality materials | You need to get used to new magazine spot |
Easy to operate and reload | May not fit well on some replicas |
Verdict:
The Matrix EGLM Type 40mm Grenade Launcher is a specialized option for players who want a dedicated launcher for their MK16 and MK17 rifles.
Best Option: Matrix Full Metal 40mm M203 Airsoft Grenade Launcher
For those new to under-barrel grenade launchers, the Matrix Full Metal 40mm M203 is a solid choice. With its universal compatibility, easy mounting, and classic look, it offers a reliable and accessible option for players looking to enhance their gameplay.
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