SKU: 94974041779

BOLT B4 SOPMOD SHORTY BRSS HEAVY

Sale price$258.75 Regular price$287.50
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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8

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Description

BOLT B4 SOPMOD SHORTY BRSS HEAVYSPECIFICATIONS: System : Electric Action : Semi Full Gear Box : Version 2, B. R. S. S. HEAVY Inner Barrel : 370mm Velocity : 400 fps Length : 767 851 mm Weight : 2850g Hop up : Adjustable Battery : 11. 1V Short Stick Lipo Magazine : 300 rd Hicap FEATURES: FULL METAL construction meaning this airsoft gun has matching metal parts as its real counterpart Innovative B. R. S. S. HEAVY (Bolt Recoil Shock System, HEAVY version) generates realistic HEAVY

SPECIFICATIONS:

System : Electric
Action : Semi / Full
Gear Box : Version 2, B.R.S.S. HEAVY
Inner Barrel : 370mm 
Velocity : 400 fps
Length : 767 / 851 mm
Weight : 2850g
Hop up : Adjustable 
Battery : 11.1V Short Stick Lipo
Magazine : 300 rd Hicap

FEATURES: 

- FULL METAL construction meaning this airsoft gun has matching metal parts as its real counterpart
- Innovative B.R.S.S. HEAVY (Bolt Recoil Shock System, HEAVY version) generates realistic HEAVY recoil during each shot, while preserving the ability to take regular TM type M4/M16 magazines.  Recoil felt is stronger than that of the Tokyo Marui Next Gen M4 Sopmod) 
- Anodized aluminum upper and lower receiver and removable rear sight
- Blank Receiver without marking. Perfect for custom engraving!
- Full metal real specs R.I.S. unit 
- Nylon Fiber retractable special force crane stock and grip
- 14mm- threaded aluminum CNC outer barrel
- Metal one piece IMPROVED hop up unit and metal one piece outer barrel
- QD sling mount integrated in received end
- Precision inner barrel
- High Torque motor with heat dissipating end plate
- Metal furniture: Charging handle, magazine catch, bolt catch, selector, front sight, flash hider
- Other metal parts: Rear sight assembly, trigger, ejection port cover, trigger guard, magazine, front/rear sling mounts, forward assist knob, steel motor pinion gear, locking body pins, RIS unit
- Reinforced Vr 2 B.R.S.S. Gear Box with: M120 spring,  2020 Improved steel MIM gears, Steel Bushings, aluminum cylinder, aluminum cylinder head with double o-rings and impact pad, Aluminum piston with full steel teeth, aluminum one way piston head with bearings, heavy weight steel spring guide, POM nozzle 
- 11.1V Lipo  ready!

- Battery and charger NOT included


- Package includes: Airsoft gun, 300rd high capacity magazine, battery plug and wire extension (user manual available online at www.bolt.tw)

 

From the manufacturer:

Powerful Recoil Movement
B.R.S.S technology generates strong recoil power by triggering B4A1.The strong power can even stamp a nail into a wooden table. The feeling of stock punching back each shot is a real pleasure for owner who enjoys a "kick" similar to firing a real M4A1.
 
Low Energy Consumption
B.R.S.S technology provides great power recoil action even while by using Low Voltage batteries. Its unique design makes this AEG last much longer, with an outstanding reliability.
 
High Durability
B.R.S.S Gear are made of firm and strong materials, which makes B4A1’s gear more stronger to capable with strong recoil shock, which adds extension period of AEG’s life.
 
High Compatibility
B.R.S.S Gearbox system offers a high compatibility with other brands’gearbox parts. Over 90% of B.R.S.S parts are compatible with those available on the market. 
This advantage grants players with lower costs and bigger choice on repairs, upgrades, modifications and customizations.

 

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: 94974041779

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Jenny Delaney
Charlottesville, US
★★★★★ 4
Sub well, flimsy, no cello bags included for resellers!
Number of Items: 10
Sublimate well at 300 degrees for 60 seconds; however, they are definitely Flimsy as compared to smaller spinners and for some reason they are putting 5 to a cello bag! Which means if you are making to resell, you will need to buy cello bags!! This is the first time I've experienced this in hundreds of wind spinners purchased for sublimation. This is a big deal to me because I can't find 10x10 cello bags (and I shouldn't have to) so now my bags will not be the accurate size for the spinner as all of my others are because I sell them!
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Reviewed in the United States on December 10, 2025
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Shopperholic
Massapequa, US
★★★★★ 5
Good Product
Number of Items: 5
Great product takes color well
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Reviewed in the United States on September 25, 2025
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Paul Gaffney
Omaha, US
★★★★★ 5
Exceptional
Size: 22, Size: 22
Great quality and price. Monitors are exceptional. Would buy again without question. Screens are quite resilient, great picture. I bought three and use them in a multi Monitor setup for my work laptop, I needed something to view wireing diagrams and scan tool information qt the same time. If your a Service Technician looking for a multi Monitor set up would strongly recommend this Monitor.
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Reviewed in the United States on April 25, 2026
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Khalet Navarro
Cuba, US
★★★★★ 5
Great product and great price
Size: 22
I think the negative thing I can highlight is the pixel dentist isn’t that high so it doesn’t look as crisp but this is a great budget option when you are in a hurry (like me) or simply need a screen that does its job. I use it for home office and it’s more than enough.
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Reviewed in the United States on May 14, 2026
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Zipp Tye
Massapequa, US
★★★★★ 5
Great value & clear & bright color.
Size: 24
The monitor has been working great. The color & graphics are sharp. It is also responsive to the computer. I got it on sale so it was a great price & addition to my computer setup.
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Reviewed in the United States on May 1, 2026

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