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Questions & Answers
Will this fit under an Aero Precision R-1 Atlas Handguard? The device states it's 1.2" diameter and the Aero Precision S-1 HANDGUARD IS 1.3" tight fit Expert Answer

The KAK 5/8-24 Slimline Flash Can will fit within your Aero Precision Atlas R-ONE Handguard.

by Ethan, Gear Expert, December 7, 2022
Can this be used on a 9mm barrel? Expert Answer

The manufacturer states that the flash can is designed for 30 CALIBER OR SIMILAR WEAPONS. 9mm unfortunately is roughly .355" in diameter.

by Kurt Colbourne, Gear Expert, October 7, 2021
Customer Reviews
Helpful Positive Review
Flash Cans by T, December 26, 2023
Order arrived pretty fast after ordering, came in great shape and is exactly what I’ve been needed. Helps grow muzzle flash out away from you instead of sideways. Highly recommend.
1/1 found this helpful
Helpful Positive Review
kak flash can by max, Verified Owner, March 10, 2024
Bought this for a 10.5 inch 300 blackout build makes the barrel look beefier, easy install, helps direct the sound down range. It feels like it doesn't add much more weight to the front end. Seems like a good value, money well spent.
1/1 found this helpful
Helpful Positive Review
This is what you want. by Slick Daddy, Verified Owner, December 14, 2023
If youre in the market for a comp/flash can... look no further. For the price you pay and perfomance you get, these KAK flash cans cannot be beat. They dont hide the flash they only direct it, the sound too. It makes shooting short barrel centerfire ...
Read More...
2/2 found this helpful
Most Recent Reviews
Looks great on my rifle by JT, Verified Owner, June 27, 2024
Happy with overall looks and function of the part. Finished off my build nicely
Most Recent Reviews
flash can works as should by na, Verified Owner, December 25, 2023
Works perfect if your not wanting much muzzle flash
Most Recent Reviews
KAK Flash can. by Braden, Verified Owner, November 18, 2023
Put this on my 350 legend. Fit and finish is pretty good and it does what it’s supposed to. Helps push some sound away from the shooter. Does not have any sound suppression but it does push the blast and sound away from the actual shooter.
Read All 6 Reviews
Threads per Inch:
5/8x24
Condition:
New

Code: 3KE-MD3-SLFL-AR15-UP-261

MPN: AR15-UP-261

UPC: 000028049715

List: $35.00Save 10%
$31.50

  • KAK 5/8-24 Slimline Flash Can, 3.25in, AR15-UP-261
  • Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
As low as $40.45
You Save Up to 10%
OP Bucks$0.81

Product Info for KAK 5/8-24 Slimline Flash Can

Kak Industry "Slimline Flash Can"image

Similar To The Standard "Flash Can" But Smaller Diameter To Fit Inside Slim Rail Systems

You Guys Asked For It So Here It Is

This Is A Solid 6061 Aluminum Device That Is Designed To Direct Muzzle Gases And The Muzzle Flash Forward

Threaded 5/8-24 For 30 Caliber Or Similar Weapons

Black Military Type Hard Anodizing

This Device Is Not Designed To Reduce Recoil, Muzzle Rise, Or Flash Signature

This Device Is Designed To Direct Gasses And Noise Forward Away From The Shooter And Enhance The Weapons Appearance

A Crush Washer Can Be Used Is Specific Timing Is Desired

This Device Can Withstand Full Auto Hard Use, No Back Pressure Is Created So Gas Cutting Is Not A Problem

Many End Users Have Reported Thousands Of Rounds Downrange With No Change Or Erosion

1.200 Dia

3.250 Long

6061 Aluminum

Black Hard Anodized Finish

3.19 Oz.

3/4 Wrench Flats

This Muzzle Device Will Fit Inside Utg Pro, Aero Cop And Other Rails That Will Not Clear The Original Larger Version

Specifications for KAK 5/8-24 Slimline Flash Can:

Manufacturer: KAK Industry
Threads per Inch: 5/8x24
Weight: 3.19 oz
Condition: New
Fabric/Material: 6061 Aluminum

Package Contents:

  • KAK 5/8-24 Slimline Flash Can

KAK 5/8-24 Slimline Flash Can Orderable Models

List of Orderable Models

  • KAK 5/8-24 Slimline Flash Can, 3.25in, AR15-UP-261 , MPN: AR15-UP-261 , UPC: 000028049715 , Code: 3KE-MD3-SLFL-AR15-UP-261

KAK 5/8-24 Slimline Flash Can Unavailable & Discontinued Models

List of Unorderable Models

  • USED, KAK 5/8-24 Slimline Flash Can, 3.25in, AR15-UP-261 , MPN: AR15-UP-261-EDEMO , Code: 3KE-MD3-SLFL-AR15-UP-261-EDEMO-RE-B
  • USED KAK 5/8-24 Slimline Flash Can, 3.25in, AR15-UP-261, EDEMO3, Used, Condition Fair , MPN: AR15-UP-261-EDEMO3 , Code: 3KE-MD3-SLFL-AR15-UP-261-EDEMO3
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Last updated 2026-08-05 UTC.