KJ Works KP-19S Hi-Capa GBB Airsoft Pistol

Manufacturer: KJ Works.
Made In: Taiwan
Power Source: 12 gram CO2.
Ammunition: 6mm Plastic Airsoft BB's.
Action: Semi-auto, full blowback
Trigger: Single-action, skeletonized, adjustable (1911-style)
Magazine: Full-size dropout metal magazine, 25-round capacity
Weight: 1.96 lbs (890 g)
Overall Length: 9.84 inches (250 mm)
Inner Barrel Length: 4.25 inches (108 mm)
Claimed Velocity: 366+ FPS
Hop-Up: Adjustable
Rail: Under-barrel Picatinny rail
Sights: Fiber-optic front and rear
Safety: Ambidextrous
Magazine Release: Reversible
Threaded Barrel: Inner and outer threading
Field Strippable: Yes (1911-style takedown)

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Velocity: For the chronograph test, I ran 0.25g Airsoft BBs (not 0.20g), so expect the readings to come in a bit lower than what many people quote online. My chronograph also decided to be difficult today, throwing “Error 2” messages and not registering shots consistently, so I had to keep working at it until it finally started giving me some readings.

Accuracy Testing (30 Feet): For the accuracy test, I put a paper target at 30 feet and fired 10 rounds. The nice thing here is that the pistol should lock back on the last shot, so it makes it easy to confirm you’re done without having to count.

Walk-Around & Handling: The KP-19S is a large pistol with a fairly wide grip. Shooters with smaller hands may find it bulky, but balance and weight distribution are excellent. At just under two pounds, it feels solid without being overly heavy.

Pros:

• High metal content with excellent weight and balance.
• Strong, realistic full blowback action.
• Excellent fit and finish typical of KJ Works pistols.
• High-capacity 25-round metal magazine.
• CO2 or gas compatibility (with appropriate magazines).
• Dual threaded barrel for accessories and extensions.
• Bright fiber-optic sights (easy to acquire on any background).
• Short, light, adjustable 1911-style trigger.
• Ambidextrous safety and reversible mag release.
• Easy field stripping and hop-up access.

Cons:

• Grip is wide and may not suit shooters with smaller hands.
• Higher price point compared to similar KWC 1911 models.
• Rear sight is not adjustable and does not accept a red-dot plate.
• Optics would need to be rail-mounted from underneath.

Comments: The KJ Works KP-19S is a high-quality, full-featured CO2 blowback Airsoft pistol with excellent build quality, strong recoil, and competition-inspired styling. While it lacks some of the modular competition features of the KP-19 non-s version, it offers a cleaner, streamlined look and the same reliable performance.

Read the full review in our blog:

KJWorks KP-19S CO2 Blowback Airsoft Pistol Field Test Review

KJWorks KP-19S CO2 Blowback Airsoft Pistol Table Top Review