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AIRSOFTCON 2026 - October 17, 2026
Home » Airsoft Accessories, Attachments & Parts » Gas Gun Parts » Inner Barrels (Gas Guns)

Maple Leaf Crazy Jet Inner Barrel for GBB Rifles
(Length: 245mm)

ID: 42297 (BRL-RA-ML-CJ245)
ML-CJ245
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Maple Leaf (AST)

$45.00

Airsoft Authority Since 2001
Serving enthusiasts for over 25 years
Industry-Leading Warranty
Buy with confidence - 90 day warranty
Ships Fast from US Warehouses
Free shipping over $149 in lower 48 states
Order Today Receive as soon as Sat Aug. 1
Length Options:
Length200mm$45.00
Length220mm$45.00
Length245mm$45.00
Length250mm$45.00
Length260mm$45.00
Length290mm$45.00
Length310mm$55.00
Length370mm$55.00
Length410mm$55.00
Length455mm$52.00
Length470mm$55.00
Length510mm$59.00
Length540mm$59.00
Length590mm$68.00
Length640mm$78.00

Description

Specs

Reviews

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Product Description

Features

  • Brass alloy construction
  • Designed to enhance accuracy
  • Unique design provides a cushion of air around the BB after it leaves the barrel

Manufacturer: Maple Leaf

5 Customer Reviews

(Write a review)

by DALTON B. on 08/09/2023
"I bought this for my KWA 416 D, holy bologna this thing is shooting laser beams now! Definitely recommend!
by Elliott S. on 09/23/2019
"I installed the 410 millimeter inner barrel on my Wei-E-Technology FNH SCAR-H Gas Blow Back Battle Rifle. It tremendously raised my fps with superior accuracy plus range. When it comes to GBB aftermarket parts, Maple Leaf is the direction to head towards, especially with their bucking, hop up chamber, inner barrel. It is rated one of the best manufacturers with aftermarket parts for airsoft. The specific Maple Leaf Bucking I prefer plus recommend people to upgrade is the Autobot or Decepticon.
by Dan G. on 04/27/2019
"I installed the 455mm length Crazy Jet inner barrel Maple Leaf 70 hop into my Well G74B CO2 GBBR.. fits ok. Didn't need to modify anything.

Pro-Tip: I had to slide the CJIB in hop-side first from the muzzle, cuz the threaded portion of the outer barrel has a smaller inner diameter and the outer stainless steel portion of CJIB has an ever-so-slightly larger dia. than remainder of brass barrel. It was definitely a handful to put the hop chamber back together.

Can't wait to test it out!

CRAZY JET ALL THE THINGS!

BTW: This inner barrel is approx. 2mm shorter than stock/oem Well inner barrel.

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Maple Leaf (AST)

About Maple Leaf (AST)

Maple Leaf manufactures high quality upgrade parts and Airsoft accessories.