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SA PPK-20 M-LOK FLEX™ (SA-J20) SMG – Black
Specna Arms PPK-20 M-LOK FLEX™ (SA-J20) in black finish is a compact AEG SMG ideal for CQB or as a backup weapon. It features a programmable SA ETU™ unit, ESA2™ quick spring change system and a precise 6.02 mm inner barrel. The FLEX™ series nylon construction and modern M-LOK handguard replicate the real counterpart, while the 100 m/s velocity is perfect for indoor fields and safe gameplay.
Accessories
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12,56 € In StockWST FARAON 2-Point Tactical Sling – Black: Wosport
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62,36 €On the way
35,15 € In StockLi-Pol battery TITAN 11,1V 1200mAh, 25C (T-Dean) - Stick (AK): TITAN
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TITAN 11.1V 1200 mAh Li-Po Battery with a discharge rate of 25C in Stick (AK) configuration. Dimensions: 190 x 16 x 13 mm. Connector: T-Dean (Deans / T-Plug). Excellent performance, higher RoF, longer battery life, and better trigger response. Ideal for AEG rifles, machine guns, SMG/PDW, and DMRs. Use only high-quality chargers. Don’t just buy a...
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52,31 € In StockGens ACE Charger G-TECH iMars Mini 2-4S, 60W (USB-C) + AC...: Gens ACE
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G-TECH iMars Mini Charger by Gens ACE in black. Set includes power adapter and USB-C cable. Up to 60 W charging power. Supports smart G-TECH batteries. Designed for Li-Po, Li-Ion, LiFe (2-4S) and NiMH batteries (2-12S). Suitable for FPV drones, airsoft, and RC models. Powered via USB-C (PD, QC, etc.). XT60 and T-Dean adapters included.
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27,20 € In StockGens ACE Li-Pol Battery 11.1V 1200mAh, 25C, T-Dean - Stick: Gens ACE
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LiPo Battery 11.1V - 1200 mAh (25C) by Gens ACE in Stick configuration. Dimensions of 183 x 17 x 12 mm. T-Dean connector. High-performance 11.1V LiPo battery with 25C discharge rate. Increases rate of fire and improves motor response. Suitable for AEG rifles, machine guns, SMG/PDW, and DMR platforms. Use only with quality high-performance chargers.
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41,43 € In StockTITAN Li-Pol / Li-Ion DIGITAL CHARGER V2 (EU Plug) - Black: TITAN
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TITAN DIGITAL CHARGER V2 for Li-Po and Li-Ion batteries. V2 with USB-C charging and EU power adapter. 20% higher performance. Compact metal charger with a clearer digital display. Also works as a battery tester directly in the field. High safety thanks to a cell-by-cell balancing system. Supports 2S and 3S batteries (7.4V - 11.1V).
41,43 €In Stock- SA URBAN WAR Transport Rifle Bag (87×30×8 cm) – Black
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Specna Arms transport bag URBAN WAR in black finish is a durable bag for safe transport of firearms and airsoft rifles up to 87 cm. It offers space for 2 long guns, practical accessory pockets and backpack carry option. Made from Cordura 1000D and durable nylon with padding to protect your gear during transport. The bag features MOLLE webbing and a VELCRO...
83,28 €On the way - SA PPK-20 (SA-J20) Mid-Cap Magazine, 30 / 80 BBs – Black
SPARMS400-BK
Specna Arms PPK-20 magazine (SA-J20) in black finish offers a switchable capacity of 30 / 80 BBs and reliable feeding down to the last BB thanks to an extended follower. Realistic polymer construction matching original PPK-20 magazines. Designed for Specna Arms SA-J20 Series SMGs.
14,23 €On the way
Specna Arms PPK-20 FLEX™ SMG
Specna Arms PPK-20 FLEX™ is based on the PP-19 platform in its modernized PPK-20 version, offering compact dimensions, low weight and excellent versatility. The FLEX™ series body is made from fiber-reinforced nylon polymer with a realistic matte finish and high durability compared to cheaper alloy bodies. The M-LOK handguard and RIS rails allow easy mounting of accessories like a foregrip, tactical flashlight or PEQ box. The replica is equipped with a programmable SA ETU™ unit offering features such as binary trigger, burst fire (2 / 3 rounds) and pre-cocking for faster trigger response. The ESA2™ system enables quick spring changes without disassembling the gun. Combined with the 6.02 mm precision barrel, it is an ideal choice for fast-paced CQB or as a secondary weapon for snipers.
Key Features of Specna Arms PPK-20 FLEX™
Technical Specifications
- Manufacturer: Specna Arms
- Series: FLEX™
- Power Source: AEG
- Material: Polymer, metal
- Length: 410-693 mm
- Weight: 2055 g
- Muzzle Velocity: 100 m/s
- Rate of Fire: 20 BB/s (with 11.1V Li-Pol battery)
- Inner Barrel Length: 210 mm (6.02 mm)
- Hop-up: Yes
- Gearbox: Modified V3
- Bearings: 8 mm
- Connector: T-Dean
- Thread: 14 mm CCW
- Magazine Capacity: 30 / 80 BBs (mid-cap)
- Fire Modes: Semi, burst 2, burst 3, full-auto
Package Contents
- 1 × Specna Arms PPK-20 M-LOK FLEX™ (SA-J20)
- 2 × Mid-cap magazines (30 / 80 BBs)
- 1 × User manual
Warning
- Battery and charger are not included.
- Damage caused by using strong springs is not covered by warranty.
- When installing progressive springs, ensure the tighter coil end faces outward from the gearbox.
- Never store the gun with a connected battery.
- Never store the gun with pre-cocking active.
- Always release the piston before storage to prevent spring damage.
| Variants | FLEX |
| Color | Black |
| Muzzle velocity (m/s) | 100 (m/s) |
| Recommended weight of ammunition | 0,25g - 0,28g |
| Thread (mm) | 14- (mm) |
| Outer length MINIMAL (mm) | 418 (mm) |
| Outer length MAXIMAL (mm) | 690 (mm) |
| Inner barrel length (mm) | 210 (mm) |
| Weight (g) | 2050 (g) |
| Body/receiver material | ABS / Plastic |
| Mounting System | M-LOK |
| Gearbox version | V3 - QSC |
| Amount of piston teeth | 14 |
| Bearings (mm) | 8 (mm) |
| Bearings (material) | Metal |
| Piston head | Plastic |
| Nozzle | Plastic |
| Spring guide | Plastic |
| Hop-Up chamber material | Plastic |
| Battery type | Stick |
| Connector type | T-Dean |
| Magazine material | Plastic |
| High-cap / Mid-cap | Mid-cap |
| Magazine capacity | 80 |
| Processor unit | YES |
| Blowback | NO |
| Battery included | NO |
| Battery Charger | NO |
| Weapon accessories | Yes |