The Umarex UX SA10 4.5mm CO₂ Air Pistol (Model 5.8328) is a modern semi-automatic air pistol designed for versatility and realistic shooting performance. One of its standout features is its dual-ammunition capability, allowing shooters to fire both 4.5mm (.177) lead pellets and steel BBs from the same pistol.

Powered by a 12-gram CO₂ cartridge, the SA10 produces consistent power with a muzzle velocity of up to 130 m/s (approximately 427 fps), making it suitable for target shooting and recreational plinking.

The pistol uses an 8-shot rotary magazine system and typically includes multiple magazines for quick reloading during shooting sessions.

To enhance realism, the SA10 features a blowback slide action, creating noticeable recoil and slide movement with each shot. The pistol also incorporates a rifled barrel, improving accuracy when shooting pellets.

Constructed with a polymer frame and metal slide, the pistol provides durability and realistic weight. Additional features include a Picatinny accessory rail for mounting lights or lasers and a threaded barrel compatible with moderators or accessories.

With its realistic operation, versatile ammunition capability, and solid build quality, the Umarex UX SA10 is an excellent option for airgun enthusiasts, target shooters, and recreational plinking.

Key Features

• Dual-ammo capability – fires pellets and steel BBs
• 4.5mm (.177) calibre air pistol
• Powered by 12g CO₂ cartridge
• Blowback slide action for realistic shooting feel
• 8-shot rotary magazine system
• Rifled barrel for improved pellet accuracy
• Single / double-action trigger operation
• Picatinny accessory rail for lights or lasers
• Threaded barrel for compatible accessories
• Polymer frame with metal slide construction

Specifications

Brand: Umarex
Model: UX SA10
Model Number: 5.8328
Calibre: 4.5mm (.177)
Ammunition: Steel BBs and lead pellets
Power Source: 1 × 12g CO₂ cartridge
Magazine Capacity: 8-shot rotary magazine
Velocity: up to 130 m/s (≈427 fps)
Energy: approx. 3.2–3.5 Joules
Trigger: Single / Double Action
Action: Semi-automatic blowback
Safety: Manual safety
Overall Length: 230 mm
Barrel Length: 140 mm
Weight: approx. 924 g
Construction: Polymer frame with metal slide
Rail: Picatinny accessory rail