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Home » Airsoft Accessories, Attachments & Parts » AEG Internal Parts » Inner Barrels (AEG)

Lambda "SMART .03" Precision Carbon Steel 6.03mm Tight Bore Inner Barrel for Tokyo Marui Spec AEGs
(Length: 141mm)

ID: 93523 (BRL-Lambda-4580029081298)
4580029081298
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lambda Airsoft

$24.95

Length Options:
Length128mm$24.95
Length141mm$24.95
Length208mm$27.95
Length229mm$27.95
Length247mm$27.95
Length275mm$29.95
Length303mm$32.95
Length363mm$34.95
Length420mm$37.95
Length455mm$39.95
Length469mm$39.95
Length509mm$42.95
Length595mm$39.00

Description

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Reviews

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Product Description

Features

  • Nickel-plated high strength Carbon Steel
  • 6.03mm diameter bore made to exact tolerances within 10 micron accuracy (+0.01mm)
  • Square cut hopup window suitable for R-hop
  • High polish with precision crown
  • Made in Osaka, Japan
Lambda's "SMART" line of inner barrels provide a precise and cost-effective solution for Airsofters who want to improve their gun's efficiency and accuracy without breaking the bank. Lambda "SMART" barrels are made from nickel-plated carbon steel, precision cut, crowned, and polished with 10-micron accuracy.

Manufacturer: Lambda

11 Customer Reviews

(Write a review)

by Justin R. on 12/29/2025
"Got the 128mm version for a tiny m4 pistol build, and it is surprisingly accurate and consistent for such a short barrel. The range isn't crazy but that's to be expected with shorter barrels, but it was very accurate and consistent within it's range. It's also a great price for the quality you get. Definitely recommend.
by Cameron P. on 08/07/2025
"Great Quality barrel, for being a Japanese steel product it is cheaper than other options. I have the 595mm length and its current installed in my SRS. And being a bullpup, the barrel only sticks out an inch from the outer barrel.
Regardless, it’s a great barrel and worth getting. I have bought a few different Lambda branded barrels and they have all be consistent with the crafsmanship and quality.
by James B. on 01/04/2025
"These is a solid inner barrel for the price. I got the 303mm version and it shoots lasers. Be advised it has a slightly larger outer diameter than your brass barrels (Only by a few nanometers). They'll still fit in your hop up and outer barrel but it will be slightly more snug but nothing to worry about.

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lambda Airsoft

About lambda Airsoft

lambda Airsoft is a Japanese manufacturer of precision Airsoft upgrade parts. Their experience in Airsoft parts manufacturing and expertise with CAD design and CNC machining helps them to produce industry-leading upgrade parts.