Airsoft GI small logo

JBU 6.03mm High Precision AEG Inner Barrel for M4 (363mm)

[Z10F05][02960 / SDJA01]
Discontinued

Battery Information Video
New to airsoft? Here are some safety tips for airsoft guns that we recommend following.

Precision barrels are best described as an inner barrel with a diameter of 6.03mm or less. Precision inner barrels allow for better compression, improved accuracy, and in a few cases increase muzzle velocity. Although precision barrels often require more maintenance and cleaning, they can give an AEG a greater range and improve the overall performance of an airsoft AEG.

Specifications:
Manufacturer: JBU
Material: Aluminum
Bore Diameter: 6.03 mm
Gun Type: M4
Barrel Length:363 mm



Specifications
Manufacturer: JBU
Color: Grey
Size: 363mm
Material: Aluminum
Package Includes: One (1) Precision Inner Barrel
see 4 reviews | Write a Review
verified buyer
E. OSTROM | 2009-02-12
Product Information:
Good barrel, but not as good as i was expecting. i did not see the range increase that i expected, and i dont feel that there was any power increase, although i have not had my gun chronoed.

less flyaways, would go great with systema hop up bucking, (only 7 dollars)

Pros:
Nice tightbore barrel

Cons:
Didnt see the power/range increase at all...

:/
verified buyer
R. STEMME | 2009-10-26
Product Information:
This isn't the greatest tightbore. I didn't see any difference in accuracy or power when I installed it. I had a lot of trouble fitting it into my Echo 1 M4's hop up unit, because the barrel's OD was too big for the bucking and spacer.

Pros:
None

Cons:
No change in accuracy or power
Bad fitment in Echo 1 M4s
L. DEWEY | 2009-12-15
Product Information:
Ok this tight bore was quite dissapointing. I didn't notice any change in range or accuracy. It was also a pain fitting it in my classic army hop up. I was having horrible compression problems with it so I sold it.

Pros:
None really accept my fps raised a lil bit but it didn't last very long

Cons:
No change in range
no change in accuracy
I was having compression problems but that might just have been my fault
Search Tags: Internal Upgrade Replacement Tightbore Range Accuracy Part Piece Increase Performance Trajectory Grouping Distance Output Tight Bore

For Questions, Answers and Comments:

Talk about the JBU 6.03mm High Precision AEG Inner Barrel for M4 (363mm) with your friends on the facebook comments box below:
Copyright © 2024 Airsoft GI
Disclaimer:

All airsoft guns are required to have the tip (1/4 inch) of the barrel permanently colored in blaze orange. No person may openly display or expose any imitation firearm (replica firearm), in a public place. The term "public place" means an area open to the public or exposed to public view and includes streets, sidewalks, bridges, alleys, plazas, parks, driveways, parking lots, automobiles, whether moving or not, and buildings open to the general public, including those that serve food or drink, or provide entertainment, and the doorways and entrances to buildings or dwellings and the grounds enclosing them.

Any person who changes, alters, removes, or obliterates any coloration or markings that are required for by any applicable state or federal law or regulation, for any imitation firearm (replica firearm), or device in any way that makes the imitation firearm (replica firearm) or device look more like a firearm is guilty of violating the state or federal law.

By accessing the Site, you certify that you are older than 18 years of age or the age of majority where you live, whichever is older; that you are the owner of any credit card used to purchase on items on the Site; that you are familiar with all local laws in your area affecting your legal right to access airsoft products; that any products you buy are for your own private enjoyment and that you will NEVER share these products with a minor in ANY WAY.