SKU: 33742361968

BOLT B4A1 Elite SD BRSS HEAVY

Sale price$225.00 Regular price$250.00
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Ships within 48 hours · Estimated delivery Oct 9 - Oct 14

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Description

BOLT B4A1 Elite SD BRSS HEAVYBOLT B4A1 ELITE DX BOLT B4A1 ELITE SD, a new revolutionary Enhanced B. R. S. S. Recoil AEG. Such devise creates more recoil power and more directly hit back feeling. Features: Enhanced B. R. S. S. System 6. 00mm Precision Inner Barrel Polymer Tactical Hand Guard BMAG M4 140R Magazine SPEC. Built Material Aluminum ABS, Nylon & Glass Fiber and Steel Shooting Modes Semi, Full auto Magazine Capacity 140rnd Length 720mm 800mm Weight 2800g Hop up Adjustable

 

BOLT B4A1 ELITE DX
  • BOLT B4A1 ELITE SD, a new revolutionary Enhanced B.R.S.S. Recoil AEG.
    Such devise creates more recoil power and more directly hit back feeling.
    Features:
  • Enhanced B.R.S.S. System
  • 6.00mm Precision Inner Barrel
  • Polymer Tactical Hand Guard
  • BMAG M4 140R Magazine

 

SPEC.  
   
Built Material
Aluminum/ABS, Nylon & Glass Fiber and Steel
Shooting Modes
Semi, Full-auto
Magazine Capacity
140rnd
Length
720mm-800mm
Weight
2800g
Hop-up
Adjustable
Blow-back
Yes
Recoil shock
Enhanced B.R.S.S System
Power
120m/s(393fps)
Power Source
7.4V 20C(Li-Po) or 11.1V15C(Li-Po) or 9.6V(Ni-mh or Ni-Cd)



FEATURES: 

- FULL METAL construction meaning this airsoft gun has matching metal parts as it's 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 much stronger than that of the Tokyo Marui Next Gen M4 series) 
- Anodized aluminum upper and lower receiver, metal front and removable rear sight
- BOLT B4 marking with unique serial number on lower receiver 
- Enhanced polymer fore-grip, stock, and pistol grip
- Heavy weight steel flash hider ready for QD full metal Devgru suppressor (Sold Separately)
- 14mm- threaded aluminum CNC outer barrel
- Metal one piece IMPROVED hop up unit and metal one piece outer barrel
- Steel Sling Mount plate
- 6.00mm Precision inner barrel
- High Torque motor with heat dissipating end plate
- Metal furniture: Receivers, Charging handle, magazine catch, bolt catch, selector, front & rear sights, flash hider, body pins, sling plate
- Other metal parts: trigger ejection port cover, trigger guard, magazine, rear sling mounts, forward assist knob, steel motor pinion gear, body pins, etc
- Reinforced Vr 2 B.R.S.S. Gear Box with: M120 spring,  2020 new version 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, 140rd P-mag style mid-cap magazine, battery plug and wire extension, manual, manufacturer stickers, steel Flash hider


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 customization.
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: 33742361968

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4.1 ★★★★★
Based on 12 reviews
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Product Reviews
S
Verified Purchase
Steve in Florida
Louisville, US
★★★★★ 5
Awesome chair definitely recommend
Color: Blue, Color: Blue
It was amazing the color was spot on and it was very very easy to put together and the size is amazing for my 11 year old daughter maybe not for an older person it doesn’t recline as much as it says so if you want a reclining chair maybe I don’t recommend this chair but the quality is amazing and the adjustment capability is incredible the noise level is at 0 it is an amazing chair we just got it so I don’t know so much about the dupability so if you want this chair for a child or a tween maybe even a teen easy to put together beautiful blue color this is the chair for you.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
R
Verified Purchase
Rocky hardcore
San Leandro, US
★★★★★ 5
Easy instructions, comfortable cushions
Color: Pink
I just put it together and I love it!!! It's so comfortable and it was easy to put together. You can rock it back and forth which helps your back. The seat is very wide and the cushion is thick. Pink is my favorite color, and this chair satisfies my pink obsession.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
L
Verified Purchase
LA Living
Lexington, US
★★★★★ 5
Wonderful chair
Color: Dark Black
I bought this office chair as a sewing tool, you might say. I felt that having an office chair on wheels would get me from the sewing machine to the ironing board and then to the cutting board and back to the sewing machine. I was having to get up and down to get around to all these places before and this saves me so much time and effort. I’m 71 so when the box came I was hesitant to try to bust into it and put it together but it went together so easily. It’s very comfortable and the lumbar support feels great on my low back. When I first sat down after the assembly process, the chair cushion tipped down in the front but after contacting the support team I was advised to tighten the tilt tension located under the chair and that fixed me right up! All and all, my chair is the perfect addition to my sewing area at a very affordable price. I couldn’t be happier!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2024
S
Verified Purchase
SP
Boise, US
★★★★★ 4
Comfortable, affordable, and great for small spaces!
Color: Light Purple, Color: Light Purple
I had previously left a review of two stars, but have since deleted that review after I've owned the chair for a few weeks now. Initially, I stated the chair was uncomfortable and not cushioned at all. But this issue quickly resolved after sitting it for a longer time, it seems the cushion molds to you. So it may be uncomfortable the first few times sitting on it, but it eventually softens. The cushion is now soft yet sturdy. You don't sink in too much, but it's comfortable for sitting for long periods of time. I personally enjoy the mesh back as well, it supports my lower back and doesn't cause back pain. Normally I have to use a cushion of my own to support my lower back for most chairs, but this one actually supports me in a way that doesn't require an extra cushion - so that's really nice. The chair is fairly on the smaller end, which is perfect for low desks or tight spaces, which is exactly what I wanted. The height can be adjusted, but even at the highest setting, it is still fairly low. Keep that in mind - it may not be super comfortable for those over 6 ft. The arms flip up which makes storing it under a low desk very easy. The cushion is thick and very accurate to the picture. I love that it is lightweight and doesn't make much noise when rolling the chair. It also feels very sturdy. Some of the reviews say it feels flimsy, and I don't know if some are just assembling it incorrectly, because for me this thing is very strong and holds up quite nicely under my weight. Overall, this is exactly what I wanted for my personal living space. A chair that's not too bulky, but comfortable enough to sit in for long hours. It functions as advertised for this purpose. One final thing -- the color selection is gorgeous. I bought the light purple color and it fits my setup nicely! Color was accurate to the picture, and looks very cute and adorable in my space.
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Reviewed in the United States on December 21, 2025
C
Verified Purchase
Christine Franzone
Omaha, US
★★★★★ 5
Exteremly comfortable
Color: Dark Black
Reasonably priced, very comfortable l, easy assembly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026

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