EMG/Cyma SAI.1703-LS - SAI GRY 13.5" Lightning Series MWS Gas Blowback Airsoft Rifle in Black

The EMG/CYMA SAI GRY 13.5" Lightning Series MWS Gas Blowback Airsoft Rifle is a full-size, competition-inspired platform that blends unmistakable Salient Arms International styling with the practical advantages of CYMA's CGS gas system. Official SAI licensing brings deeply engraved trademarks and the signature GRY design language, while the MWS-compatible internals give this airsoft rifle access to one of the strongest magazine and upgrade ecosystems in the hobby. For players comparing modern gas rifles, the SAI.1703-LS BK stands out as a longer, more settled option than the compact GRY variants, with a 13.5-inch barrel, 360mm inner barrel and realistic gas blowback operation.

Starting at the front, the rifle uses Salient Arms' distinctive Jailbreak handguard and muzzle arrangement. The muzzle device sits neatly within the front of the rail, creating the aggressive recessed look that makes the GRY instantly recognisable. M-LOK slots at the 3, 6 and 9 o'clock positions provide plenty of mounting space for a torch, laser module, hand stop or vertical grip, while the full-length top rail leaves ample room for optics, magnifiers and backup sights. A 14mm CCW thread adds compatibility with suitable airsoft muzzle accessories if you want to alter the standard setup.

The 13.5-inch outer barrel gives this airsoft gun a more traditional carbine feel than the shorter 6.5-inch and 10.5-inch GRY models. Overall length is approximately 850mm to 890mm depending on stock position, so the rifle feels more planted and stable when shouldered while still remaining manageable around structures and tighter woodland paths. Weight is approximately 3100g with the magazine fitted, giving the platform enough mass to make the gas blowback recoil feel convincing without turning it into an awkward lump. It is very much a rifle you settle into rather than one you wave around like a tiny CQB blaster.

The receiver and external components are made from full metal aluminium alloy, giving the rifle a solid, premium feel from front to back. Deeply engraved Salient Arms International trademarks reinforce the licensed appearance, while the Tactical Black finish keeps the overall look clean and purposeful. The angular GRY styling gives the rifle plenty of character without making it difficult to pair with different loadouts. Whether you're running a modern Milsim kit, a competition-inspired setup or a straightforward skirmish rig, the black finish keeps things easy.

Internally, the SAI.1703-LS BK runs CYMA's CGS, or CYMA Gas System, with compatibility for Tokyo Marui MWS-spec magazines and parts. That matters because the MWS ecosystem has extensive aftermarket support, making replacement magazines and compatible tuning components much easier to source. Inner barrels, hop-up components, nozzles and other MWS-pattern parts are all widely available, so the rifle gives you a solid base for future upgrades without locking you into a niche proprietary design.

The Lightning Series internal package uses a lightweight aluminium bolt carrier group to reduce reciprocating mass and improve cycling speed. The result is a crisp, lively firing cycle with the mechanical bolt movement and recoil feedback that make a GBB rifle so enjoyable to use. Semi-auto feels sharp and immediate, while Full-Auto is available where site rules permit. Green Gas powers the system, and as with any gas blowback rifle, actual consistency and velocity will vary with temperature, gas pressure and BB weight.

An adjustable trigger box gives the rifle another layer of refinement, allowing the trigger feel to be tuned to better suit personal preference. Further forward, the adjustable hop-up works with an approximately 360mm inner barrel to provide a useful setup for medium and longer skirmish distances. The longer inner barrel complements the 13.5-inch external profile nicely, giving this airsoft rifle a more general-purpose character than the shorter GRY variants. Quoted output is approximately 380 to 400 FPS, so the rifle should always be chronographed against your site's limits before use.

At the rear, the four-position adjustable stock allows the length of pull to be altered to suit your stance and equipment, while integrated QD sling points make a modern sling setup straightforward. A 30-round STANAG gas magazine is included, keeping the shooting experience suitably realistic and encouraging controlled fire rather than endless BB dumping. Overall, the EMG/CYMA SAI GRY 13.5" Lightning Series is a distinctive MWS-compatible airsoft rifle with the looks, weight and handling of a serious full-length GBB platform. The Jailbreak front end and SAI markings provide the visual appeal, while the CGS system, lightweight bolt, adjustable trigger box and 360mm inner barrel give it the practical substance to back that appearance up.

Features

• Officially licensed Salient Arms International GRY replica 
• Deeply engraved authentic SAI receiver trademarks
• CGS (CYMA Gas System) gas blowback platform
• Tokyo Marui MWS-spec parts and magazine compatibility
• Lightning Series upgraded internal package
• Lightweight aluminium bolt carrier group
• 13.5-inch outer barrel configuration
• Signature Salient Arms Jailbreak handguard and muzzle setup
• Quick-detach Jailbreak muzzle device
• M-LOK accessory mounting at 3, 6 and 9 o'clock
• Full-length Picatinny optics rail
• Full metal aluminium alloy construction
• Adjustable trigger box system
• Adjustable hop-up unit
• Approximately 360mm inner barrel
• 14mm CCW muzzle thread
• Four-position adjustable stock
• Integrated QD sling mounting points
• Realistic gas blowback recoil operation
• Safe, Semi-Auto and Full-Auto fire modes

What you get

• EMG/CYMA SAI GRY 13.5" Lightning Series MWS Gas Blowback Airsoft Rifle 
• 30-round STANAG gas magazine
• Speed loader
• User manual

Details

• Manufacturer: EMG / CYMA
• Model: SAI.1703-LS BK
• Licensing: Official Salient Arms International licensed product
• Platform: Gas Blowback Rifle
• Operating System: CGS (CYMA Gas System)
• Compatibility: Tokyo Marui MWS-spec parts and magazines
• Construction: Full metal aluminium alloy
• Colour: Black
• Overall Length: Approximately 850mm - 890mm
• Weight: Approximately 3100g
• Outer Barrel Length: 13.5 inches
• Inner Barrel Length: Approximately 360mm
• Magazine Capacity: 30 rounds
• Thread Direction: 14mm CCW
• Handguard: Jailbreak M-LOK rail system
• Stock: Four-position adjustable stock
• Trigger: Adjustable trigger box system
• Fire Modes: Safe / Semi-Auto / Full-Auto
• Hop-Up: Adjustable
• Gas Type: Green Gas
• Velocity: Approximately 380 - 400 FPS
• Bolt Carrier: Lightweight aluminium Lightning Series bolt carrier