M4A1 SOPMOD (BI-3981M)
TheĀ M4A1 SopmodĀ Airsoft Replica
The BI3981M is an airsoft replica of the M4 "Sopmod" used by US Special Forces. The SOPMOD kit is an accessory system used by United States Special Operations Command (USSOCOM) special forces units, allowing them to customize their weapons.
Key Features
- Customizable: The SOPMOD kit allows for customization of the weapon based on individual preferences and mission requirements.
- Construction:Ā The airsoft rifle features a combination of metal and plastic components. The Sopmod type stock, pistol grip, and RIS rail cover panel are made of plastic, while elements such as the replica's body, outer barrel, gaspipe replica, RIS rail system, adjustable cocking handle, hopup chamber, tactical sling attachment point, magazine, and stock's pipe are made of metal.
The carbine is equipped with an adjustable hopup system, accessible by pulling back the cocking handle, which opens the dust covers to reveal the adjustment knob. This attention to detail and functionality enhances the overall user experience.
Whether you're a passionate collector or an experienced shooter, the BI3981M offers impressive detail and realism. Its precision craftsmanship ensures a superior user experience, making it a reliable and satisfying choice.
The set includes:
- a replica
- a magazine
Technical data:
- Made of: metal + polymer
- Length : 715 / 795mm
- Weight: 3500g
- Color: black
- Muzzle velocity: ~350 FPS
- Powered by: battery (not included)
Product Information
Product Information
Shipping & Returns
Shipping & Returns










M4A1 SOPMOD (BI-3981M)
M4A1 SOPMOD (BI-3981M)
TheĀ M4A1 SopmodĀ Airsoft Replica
The BI3981M is an airsoft replica of the M4 "Sopmod" used by US Special Forces. The SOPMOD kit is an accessory system used by United States Special Operations Command (USSOCOM) special forces units, allowing them to customize their weapons.
Key Features
- Customizable: The SOPMOD kit allows for customization of the weapon based on individual preferences and mission requirements.
- Construction:Ā The airsoft rifle features a combination of metal and plastic components. The Sopmod type stock, pistol grip, and RIS rail cover panel are made of plastic, while elements such as the replica's body, outer barrel, gaspipe replica, RIS rail system, adjustable cocking handle, hopup chamber, tactical sling attachment point, magazine, and stock's pipe are made of metal.
The carbine is equipped with an adjustable hopup system, accessible by pulling back the cocking handle, which opens the dust covers to reveal the adjustment knob. This attention to detail and functionality enhances the overall user experience.
Whether you're a passionate collector or an experienced shooter, the BI3981M offers impressive detail and realism. Its precision craftsmanship ensures a superior user experience, making it a reliable and satisfying choice.
The set includes:
- a replica
- a magazine
Technical data:
- Made of: metal + polymer
- Length : 715 / 795mm
- Weight: 3500g
- Color: black
- Muzzle velocity: ~350 FPS
- Powered by: battery (not included)
Original: $172.61
-70%$172.61
$51.78Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
TheĀ M4A1 SopmodĀ Airsoft Replica
The BI3981M is an airsoft replica of the M4 "Sopmod" used by US Special Forces. The SOPMOD kit is an accessory system used by United States Special Operations Command (USSOCOM) special forces units, allowing them to customize their weapons.
Key Features
- Customizable: The SOPMOD kit allows for customization of the weapon based on individual preferences and mission requirements.
- Construction:Ā The airsoft rifle features a combination of metal and plastic components. The Sopmod type stock, pistol grip, and RIS rail cover panel are made of plastic, while elements such as the replica's body, outer barrel, gaspipe replica, RIS rail system, adjustable cocking handle, hopup chamber, tactical sling attachment point, magazine, and stock's pipe are made of metal.
The carbine is equipped with an adjustable hopup system, accessible by pulling back the cocking handle, which opens the dust covers to reveal the adjustment knob. This attention to detail and functionality enhances the overall user experience.
Whether you're a passionate collector or an experienced shooter, the BI3981M offers impressive detail and realism. Its precision craftsmanship ensures a superior user experience, making it a reliable and satisfying choice.
The set includes:
- a replica
- a magazine
Technical data:
- Made of: metal + polymer
- Length : 715 / 795mm
- Weight: 3500g
- Color: black
- Muzzle velocity: ~350 FPS
- Powered by: battery (not included)






















