WELL MB4403 Spring-Powered Airsoft Sniper Rifle with Folding Stock in Radioactive Green

WELL MB4403 Spring-Powered Airsoft Sniper Rifle with Folding Stock in Radioactive Green

If you’re after a bolt-action spring sniper rifle that delivers real performance and a premium feel without draining your wallet, the WELL MB4403 in radioactive green is absolutely worth a look. With its full-length fluted metal barrel, adjustable folding stock, and punchy 500 FPS capability, this rifle is built for players who want precision, power, and presence on the skirmish field.

This is no featherweight plinker. The MB4403 is solid. Straight out of the box, you’ll notice the sturdy feel of the reinforced ABS polymer body—especially that thick, rugged stock—but what really stands out is just how much metal is in the right places. The bolt, trigger, trigger guard, RIS rails, and that hefty machined barrel are all made of metal. That translates into a satisfying bolt-action cycle and real-world durability during game days.

The folding stock is a standout feature. Not only does it make this long rifle easier to transport and store (folds down to around 960mm), but it also offers cheek rest adjustments and sling mount options to tailor your comfort and carry style. It’s a proper sniper setup designed for field use, not just backyard shooting. Weighing in at around 4kg, it’s got that authentic sniper heft—something younger players might struggle with, but older or more experienced players will appreciate.

On performance, the MB4403 hits hard—up to 500 FPS with 0.20g BBs. That’s more than enough for long-range shots and serious skirmish play. The hop-up is adjustable via a wheel located on the bottom side of the rifle, allowing you to fine-tune your BB flight for pinpoint accuracy. It consistently hits targets up to 60 metres away, and tighter groupings at 40 metres are absolutely within reach once you’ve dialled it in. It's a great platform for heavier BBs if you're chasing even more consistency downrange.

The rifle comes with a 40-round magazine and a 90-round speedloader to keep you topped up. A spring-eject tri-rail bipod adapter is built into the rifle—press the release button under the barrel and you can mount a metal folding bipod (optional extra) with ease. Likewise, there’s a full-length top RIS rail for mounting a rifle scope—though you'll need to grab that separately if you want the 3-9x40 glass shown in some images. Mount rings are compatible and simple to install.

Safety is covered too, with a working lever on the receiver, giving you a bit of extra control when moving between locations or setting up for a shot. This is a sniper rifle built to be used, not just admired on the rack. And let’s be honest—finished in that bold radioactive green, it definitely makes a statement on the field.

The MB4403 continues WELL’s reputation for producing airsoft sniper rifles that punch well above their weight in terms of value. It offers the kind of build and features you’d expect from rifles that cost twice as much. If you’re serious about sniping or just want a robust, skirmish-ready platform to build on—this rifle delivers.

Highlights

• Up to 500 FPS with 0.20g BBs—skirmish-ready performance
• Realistic spring-powered bolt action with solid metal internals
• Folding stock with cheek rest adjustment and sling mounts
• Full metal fluted barrel and trigger assembly for durability
• Adjustable hop-up for tuning long-range shots
• Tri-rail spring-eject bipod adapter built-in
• Integrated top rail for mounting optics
• Accurate up to 60 metres with heavier BBs

What's Included

• WELL MB4403 Spring Airsoft Sniper Rifle (Radioactive Green)
• 40-Round Magazine
• 90-Round Speedloader
• Gun Sling
• Small Pack of 0.20g BBs
• Manual

Technical Specifications

• Scale: 1:1 Full Size Replica
• Velocity: Up to 500 FPS with 0.20g BBs
• Range: Up to 60 metres
• System: Spring-powered bolt action
• Fire Mode: Single Shot
• Hop-Up: Adjustable (wheel under rifle)
• Barrel Length: 23.5 inches / 60 cm
• Overall Length: 1120mm / Folded: 960mm
• Weight: Approx. 4kg
• Body Material: ABS with Metal Internals
• Magazine Capacity: 40 Rounds
• Integrated Top RIS Rail for Scope
• Tri-Rail Bipod Adapter (bipod sold separately)
• 3-9x40 Rifle Scope (optional extra)
• Compatible with most sniper rifle slings