M4A1 USG - UNIT4 Training Rifle

£1,652.23

Train Anywhere with the UNIT4 M4A1-Style Training Rifle
The UNIT4 M4A1‑style training rifle delivers unmatched 1:1 realism, weight, and performance for safe training anywhere. Built to replicate the feel and function of a live M4A1, it features a rugged aircraft-grade aluminium build and a durable handguard with quad rail sections at 12, 3, 6, and 9 o’clock. With a heavy-duty 14.5-inch outer barrel and a smooth bore inner barrel, it provides a solid foundation for any training configuration.

Designed specifically for realistic, safe firearms training — wherever you are.

Train indoors or out — the UNIT4 is ideal for skill development, scenario-based training, or introducing new shooters without the risks of live fire.

Purpose-Built for Realistic Training
The UNIT4 is specifically designed for realistic, hands-on firearms training in non-range environments.

Train Where You Live
Use it in your home, garage, garden, or training space. Perfect for dry-fire practice, skill building, or force-on-force drills with your team.

Authentic Feel and Function
The UNIT4 mirrors the weight, dimensions, and controls of a real AR, including recoil. Compatible with standard AR accessories for a true 1:1 training replica.

ATF-Compliant and Non-Lethal
Classified as a non-firearm by the ATF, the UNIT4 cannot chamber live rounds and ships directly to your door — no FFL needed. Use safely with eye protection.

Built to Endure
Upper and lower forged aluminium receivers, US-made steel internals, and tough impact-ready magazines. Backed by a 5-Year Warranty.

Train Anywhere with the UNIT4 M4A1-Style Training Rifle
The UNIT4 M4A1‑style training rifle delivers unmatched 1:1 realism, weight, and performance for safe training anywhere. Built to replicate the feel and function of a live M4A1, it features a rugged aircraft-grade aluminium build and a durable handguard with quad rail sections at 12, 3, 6, and 9 o’clock. With a heavy-duty 14.5-inch outer barrel and a smooth bore inner barrel, it provides a solid foundation for any training configuration.

Designed specifically for realistic, safe firearms training — wherever you are.

Train indoors or out — the UNIT4 is ideal for skill development, scenario-based training, or introducing new shooters without the risks of live fire.

Purpose-Built for Realistic Training
The UNIT4 is specifically designed for realistic, hands-on firearms training in non-range environments.

Train Where You Live
Use it in your home, garage, garden, or training space. Perfect for dry-fire practice, skill building, or force-on-force drills with your team.

Authentic Feel and Function
The UNIT4 mirrors the weight, dimensions, and controls of a real AR, including recoil. Compatible with standard AR accessories for a true 1:1 training replica.

ATF-Compliant and Non-Lethal
Classified as a non-firearm by the ATF, the UNIT4 cannot chamber live rounds and ships directly to your door — no FFL needed. Use safely with eye protection.

Built to Endure
Upper and lower forged aluminium receivers, US-made steel internals, and tough impact-ready magazines. Backed by a 5-Year Warranty.

MATERIALS & CONSTRUCTION:

Lower Receiver Mil-Spec with Rear Receiver QD Swivel Attachment Point. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
Upper Receiver Mil-Spec with Indexing Marks. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
Barrel (Outer & Inner) Outer: Chrome Moly Vanadium Steel, Mil-Spec Heavy Phosphate Coated.
Inner: Nickel plated, smooth bore, brass tube for 8mm Rounds
Muzzle Device Standard Mil-Spec A2 Flash Suppressor, Cerakote Blue
Bolt Carrier Group 4140 Low Alloy Steel; Minimal Changes to M16 Profile while allowing for Non-Firearm Certification
Sights Magpul MBUS 3 Rear Sight; A Frame Front Sight
Handguard Leapers AR15 Drop-in Quad Rail Handguard, Carbine-length
Charging Handle Mil Spec with Right Latch
Selector Ambidexterous; Safe, semi & full
Receiver Extension 6 Position Mil-Spec 7075-T6 Aluminum
Buttstock Mil-Spec GI Stock
Pistol Grip Standard A1 GI Grip
 

SPECIFICATIONS:

Caliber 8mm
Muzzle Thread 5/8" x 24 TPI (Threads Per Inch)
Gas System CO2
Barrel Length 14.5"
Magazine UNIT4 Magazine
Manufacturer UNIT Solutions