Specna Arms SA-J73 CORE: Feature-Rich Airsoft Replica for Beginners and Enthusiasts

The Specna Arms SA-J73 CORE (AK105 replica) is a well-equipped and versatile airsoft rifle suitable for both beginners and experienced players. Here's a breakdown of its key features:

Construction and Materials:

• J-Series CORE™ Line: Part of Specna Arms' CORE™ line known for affordability and innovation.
• Durable Polymer Body: Constructed primarily from lightweight and comfortable reinforced nylon fiber polymer.
• Metal Components: Reinforced with zinc alloy, aluminum, and steel parts for durability in key areas like the barrel, hop-up chamber, and gearbox components.

Performance and Upgradability:

• ESA2™ Quick Spring Change System: Allows for easy spring replacement for adjusting muzzle velocity to comply with airsoft field regulations.
• Includes M90 Spring: Comes with an additional M90 spring for lowering power if needed.
• LiPo Ready: The gearbox is compatible with LiPo and LiFe batteries for potentially improved performance (batteries not included).
• Metal Hop-Up Chamber: Provides a more durable platform for hop-up adjustments, which affect BB accuracy.
• Precision Inner Barrel: The 6.03mm diameter barrel offers good accuracy potential.
• Upgradable Gearbox: Features 8mm bearings, steel gears, and anti-reverse pawls for a solid foundation for future upgrades.
• Polycarbonate Piston: The lightweight piston is reinforced with a full steel bar for durability.

Other Features:

• Multiple Fire Modes: Supports both semi-automatic and full-automatic fire for tactical flexibility.
• Magazine Compatibility: Compatible with various airsoft magazine brands.
• Mid-Capacity Magazine Included: Comes with a 430 round S-MAG mid-capacity magazine.
• Side Dovetail Rail: Allows for mounting sights and other accessories.
• Low Weight: Weighs only 2595 grams for comfortable handling.
• Full Metal Version Available: Consider the full metal version (SA-J72) for a more realistic weight and feel if desired.

Package Contents:

• Specna Arms SA-J73 CORE AK Replica
• S-Mag Hi-Cap Magazine
• QC Certificate
• Cleaning Rod
• Instruction Manual
• Additional M90 Spring

Overall, the Specna Arms SA-J73 CORE AK is a compelling airsoft rifle for its price range. The combination of a durable build with reinforced polymer and metal components, ESA2™ quick spring change system, LiPo readiness, upgradeable gearbox, metal hop-up chamber, precision barrel, multiple fire modes, magazine compatibility, and included mid-capacity magazine make it a versatile option for both beginners and players seeking a customizable platform.

Features of the replica:

• Body: Plastic
• Weight: Low
• Fit: Very good
• Hop-up chamber: Metal
• Precision barrel: Internal 6.03mm diameter
• Spring change system: ESA2™
• Additional mainspring: M90
• Thread: 24mm CW / 14mm CCW
• Mounting rail: Side dovetail
• Magazine compatibility: Cyma, JG, E&L, Bolt
• Magazine type: Mid-cap S-MAG

The replica has been fully adapted to work with LiPo and LiFe batteries. The gearbox features 8mm slide bearings, supported steel gears, and is secured by four anti-reverse pawls. The lightweight, polycarbonate plastic piston is reinforced with a full steel bar. The package includes an additional M90 spring for adjusting velocity.

• Battery included: No
• Bearings diameter [mm]: 8
• Blow Back: No
• Colour: Black
• Product length [cm]: 83
• Product weight [g]: 2595
• Power supply: Electric
• Material: Metal, Plastic, Steel
• Muzzle velocity [FPS]: 380 (300 FPS with M90 Spring)
• Fire mode: Full-auto, Semi-auto
• Gearbox version: Gearbox v3
• Hop-Up: Yes
• Inner barrel length [mm]: 400
• Length minimal [mm]: 595
• Magazine capacity [pcs.]: 430
• MOSFET/ETU: No
• Specna Arms Line: J Series CORE™
• Quick Spring Change system: Yes
• Type of plug: Tamiya small
• Type of thread on the barrel: 14mm CCW, 24mm CW