A&K CASV-S M4 Airsoft Rifle Short Barrel Version in Black

A&K CASV-S M4 Airsoft Rifle Short Barrel Version in Black

The A&K CASV-S M4 Short Barrel Version in Black is a solid contender for players who want a compact, full-metal airsoft rifle with versatile rail space and dependable performance. With its unique CASV-style front end and robust build, this AEG is designed for those who want customization without compromising structural integrity. And trust me — once you get this in your hands, you’ll notice the difference.

Let’s start with that distinctive front end. The CASV system isn’t just about looks — it’s functional. This rifle features three modular RIS rails that can be repositioned or removed entirely depending on your setup. That means you can throw on optics, lasers, vertical grips, or keep it slick and minimalist. The entire handguard is rock solid, with zero wobble thanks to its integrated top rail that bolts directly to the receiver. It even features a slightly raised profile, giving you a bit more flexibility with sight height and optic alignment.

Internally, this rifle features a Version 2 gearbox and delivers a steady 360 FPS with 0.20g BBs, which is right in the sweet spot for most outdoor airsoft sites. Whether you’re slinging BBs in semi or going full tilt in automatic mode, the rate of fire is snappy and the trigger response is reliable. The adjustable hop-up lets you fine-tune your range and accuracy, while the short barrel makes this M4 a perfect all-rounder for tight CQB work or field play.

The build quality is classic A&K — full metal body with a great weight in the hands. It comes in at just over 3kg, and it feels sturdy without being cumbersome. The adjustable stock is a crane-style unit with a quick-release butt plate, allowing for quick battery swaps during a game. It’s rear-wired and houses a crane-type battery, making it both functional and comfortable. Bonus: there’s a small storage compartment in the stock for spare fuses or small tools.

The rifle also comes with flip-up front and rear iron sights — perfect for backup use or running as primaries until you get your optic mounted. The 300-round high-cap magazine gives you plenty of rounds to work with out of the gate, and you can always switch to mid-caps if you're after a quieter, more stealthy loadout. With its short 730mm collapsed length (extended to 810mm), this rifle is compact enough for tight corners but still has the barrel length to push out to mid-range targets.

All in all, the A&K CASV-S M4 is a versatile, reliable and well-built AEG that stands out from the sea of M4 variants. It’s ideal for players who want customisation options, durable construction, and a tactical design that performs as good as it looks.

Highlights

• Full metal construction with solid build and no wobble
• Modular CASV handguard with removable/repositionable rails
• Integrated raised top rail for optics
• Crane-style stock with quick-release battery access
• 360 FPS with adjustable hop-up
• Flip-up front and rear sights included
• Version 2 gearbox for reliable performance
• Compact short-barrel design perfect for CQB and mid-range

What's Included

• (x1) A&K CASV-S M4 AEG Rifle (Black)
• (x1) 300-round high-capacity magazine
• (x1) Flip-up front and rear iron sights (pre-installed)

Technical Specifications

• Platform: Airsoft AEG Assault Rifle
• Fire Modes: Safe / Semi-Auto / Full-Auto
• FPS: Approx. 360 FPS (+/-5%) with 0.20g BBs
• Magazine Capacity: 300 rounds (hi-cap)
• Gearbox: V2 standard
• Length: 730mm (collapsed) / 810mm (extended)
• Weight: 3165g
• Hop-Up: Adjustable
• Main Construction: Metal
• Stock Type: Adjustable crane stock with quick-release battery compartment
• Power Source: Crane-style battery (rear-wired, not included)
• Rail System: Modular RIS / CASV handguard