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The Sig Sauer MCX Canebrake CO₂ is a blowback-operated airgun carbine powered by a 12 g CO₂ cartridge, firing 4.5 mm steel BBs. Modeled after the modern MCX platform with its distinctive integrated suppressor shroud (“Canebrake”), this replica features a full-metal upper receiver and polymer lower. Its realistic blowback action, adjustable hop-up, and compact folding stock make it ideal for both close-quarters drills and mid-range accuracy.
Propulsion: CO₂ blowback (12 g capsule)
Caliber: 4.5 mm steel BBs
Materials:
Upper Receiver & Canebrake Shroud: Metal alloy, matte black finish
Lower Receiver & Stock: Reinforced polymer
Barrel:
Outer Barrel: 12 in (≈ 305 mm) steel, fitted inside Canebrake shroud
Inner Barrel: 6.03 mm precision steel, length 280 mm
Hop-Up: Adjustable via side-mounted wheel
Magazine:
BB Capacity: 40
Integrated CO₂ chamber for 12 g capsule
Sights & Rails:
Flip-up front and rear polymer iron sights
Full-length Picatinny top rail
Stock & Ergonomics:
Side-folding adjustable stock (3 positions)
Textured pistol grip
Ambidextrous fire selector (Safe/Semi/Full)
Dimensions & Weight:
Overall Length: 620 mm (stock folded) / 760 mm (stock extended)
Weight: ~2 200 g (empty mag)
Performance:
Muzzle Velocity: 280–310 fps (0.20 g BBs)
Rate of Fire: Semi-auto cycling, consistent with gas blowback
Canebrake Shroud: Authentic MCX suppressor-style for tactical styling and barrel protection
Realistic Blowback: Sharp, battery-free recoil impulse via CO₂
Precision Shooting: Tightbore barrel and adjustable hop-up for accurate groupings
Compact & Deployment-Ready: Folding stock and integrated rails for quick transition between carry and fire
Modular Platform: Standard MCX rails allow attachment of lights, lasers, and optics
Sig Sauer MCX Canebrake CO₂ Carbine – 4.5 mm BBs
40-BB CO₂ magazine (12 g capsule not included)
Allen key for hop-up adjustment
Flip-up iron sights installed
User manual & warranty card
Experience the modern tactical performance of the MCX in a CO₂-powered package—sleek, versatile, and ready for action.