SKU: 37497630273

SiJun SJ M4 CQB BlowBack Gel Blaster V2

$81.90 $91.00
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

SiJun SJ M4 CQB BlowBack Gel Blaster V2The SJ M4 CQB BlowBack Gel Blaster V2 version is a must have for gel blasting enthusiasts. It has mag prims, working bolt catch, bolt release and blowback. It is upgraded with metal parts like inner barrel, charging handle, fire switch, dust cover, gears and piston ladder. SJ M4 CQB Gel Blaster Features: A special powder coating finish gives the nylon body the metal look. Laser engraving on the receiver perfectly replicating the original AR. Last

The SJ M4 CQB BlowBack Gel Blaster V2 version is a must-have for gel blasting enthusiasts. It has mag prims, working bolt catch, bolt release and blowback. It is upgraded with metal parts like inner barrel, charging handle, fire switch, dust cover, gears and piston ladder. 

SJ M4 CQB Gel Blaster Features:

  • A special powder coating finish gives the nylon body the metal look.
  • Laser engraving on the receiver perfectly replicating the original AR.
  • Last round hold open.
  • Fully functional metal cocking handle working as mag prime.
  • Working bolt catch, bolt release, and blowback feature at this friendly price range.
  • SLR and LDT HK416 magazine compatible.
  • Upgraded with metal parts like inner barrel, charging handle, fire switch, dust cover, gears, mag release, trigger guard, piston ladder. 

Specifications:

Brand: si jun.
Fire modes: Safe /Semi / Full Auto.
Shell Construction: Nylon.
Gears material: metal.
Inner barrel size: 7.4mm.
 Inner barrel length: 31cm.
 Gearbox Type: V2 Gearbox.
 Spring Size: 1.2 Spring.
 Motor: Standard 480 Long Shaft Motor.
Ammo Type: 7-8mm gel balls.
Battery type: tamiya plug 11.1 volt.
 Flash Hider: Nylon 14mm Orange Flash Hider.
Stock: Nylon Navy Style Stock.
Size: 70*27cm.
Weight: 1.9kg.

Performance:

 Velocity: 240-250 FPS.
Shooting range: 20m.
Rate of fire: 15-18 RPS.

Packing Includes:

 1x SJ M4 cqb V2 gel blaster.
1x black muzzle.
 1x Magazine.
 2x Handguard covers.
 1x 11.1V rechargeable tamiya plug lipo battery.
 1x USB charger.
 1x pack of gel balls.

SJ M4 V2 Gel Blaster Test Videos:

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 37497630273

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4.6 ★★★★★
Based on 222 reviews
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Product Reviews
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Verified Purchase
Samantha
Cuba, US
★★★★★ 5
Actually Cooling Pillow
Size: Queen (1 Count), Color: Original White (Cooling)
This is a really nice pillow, I was worried it would be too soft or too firm but it's just right and it's actually cooling, it feels cool every time I touch it. I've noticed an improvement in sleep since using it. Would recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
T
Verified Purchase
Tyler and Kaela
Houston, US
★★★★★ 5
Repurchased in King Size – Still Love These Cooling Pillows
Size: King (2 Count), Color: Original White (Cooling), Size: King (2 Count), Color: Original White (Cooling)
After using the queen-size version of these pillows for over a year, we purchased the king-size set when we upgraded to a king mattress. Both my husband and I really like them. The cooling feature works well, and we like that each side feels different—when I run cold, I use the softer bamboo side, while my husband prefers the cooler side since he tends to sleep hot. They fit well in our king-size pillowcases and feel supportive in all sleeping positions, whether I’m on my stomach, side, or back. I also appreciate that you can remove some of the filling to adjust the firmness. The covers are washable, which makes them easy to maintain. Overall, we’re very happy with this repurchase and the long-lasting comfort.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
M
Verified Purchase
Mystery Fan
Natrona Heights, US
★★★★★ 3
Not great at cooling
Size: Queen (2 Count), Color: Original White (Cooling)
Each pillow cover has 2 sides, one marked for cooling, and the other a different fabric. The cooling side is about the same effectiveness as having a silk or satin pillow cover. It's only cool when you first touch it. The cooling side doesn't seem to absorb or wick moisture, so if you are sweaty - it keeps the moisture in place. You'll definitely want a regular pillow case over the pillow cover. In fact, if you suffer from night sweats, the non-cooling side is actually more comfortable. The pillow fill is ample, and simple to squish around for more support for your neck, etc. Think bean bag. But it will retain your impression after use. I find I need to do as I did when I had down pillows - give it a few good shakes in the morning when I make the bed to get it evened out for the coming night. In all, it is a well-made and comfortable pillow to sleep on, but it does not excel in cooling.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
C
Verified Purchase
Carol C
Lake Worth, US
★★★★★ 5
excellent pillows i bought two sets!!
Size: Firm Queen (2 Count), Color: Original White (Cooling)
I ordered these for my son who has neck issues and has gone through so many pillows trying to find one that he liked. They’re heavy, so i was worried that they might be “too” heavy to be able to sleep on comfortably, so I ordered a second set, one firmer than the other (just in case) and gave him a set for Xmas and he loved the first set so much without even trying the less firm ones.He also needs the cooling factor and these offered that, too. They are filled with pieces of memory foam (tons of it) and each pillow can be modified by removing some of the foam. The covers are beautiful, high quality fabric with a zipper so ts easy to remove or replace the foam pieces. The size is perfect and they keep their shape. I kept the second set i ordered rather than returning them and i love the pillows. I actually modified two by removing some of the foam pieces. I kept the foam pieces in a zippered pillow protector and i can always adjust mine when or if i need to. 1000% love these.
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Reviewed in the United States on March 22, 2026
A
Verified Purchase
Asha
Phoenix, US
★★★★★ 5
The Perfect Firm Pillow l
Size: Queen (1 Count), Color: Original White (Cooling)
It is everything it claims to be, cool, comfortable and strong. I got this for my husband first, he loves it and then got one for my son, he uses it to support his knees and has been sleeping much better since then. They both needed a firm pillow that is not super soft, firm but not achy. Finally found the perfect one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026

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