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 15 - Aug 20

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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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4.3 ★★★★★
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Verified Purchase
Richard Dickey
San Leandro, US
★★★★★ 5
Good value
Size: 2 Colors each 5FT, Style: 10AWG
Bought these to go from 4/O to 10gauge. Via distobution block for my amp. Plenty long enough for where i was going.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
B
Verified Purchase
Bren
Whiting, US
★★★★★ 3
Verify connector size
Size: 2 Colors each 5FT, Style: 10AWG
Wire size too big for Power Pole connector.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
O
Verified Purchase
Old Train Man
Birmingham, US
★★★★★ 5
Got you wired
Size: 2 Colors each 5FT, Style: 10AWG
Very good, the item and service was perfect !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
K
Verified Purchase
Kyle Seal
Pawtucket, US
★★★★★ 5
Worked good
Worked well on my 84 115 tower of power
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
A
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Amazon Customer
Pawtucket, US
★★★★★ 5
Good
Good
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Reviewed in the United States on March 30, 2026

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