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Questions & Answers
DOES THIS NEED A CRUSH WASHER TO PROPERLY TIME IT?? Expert Answer

Yes, it requires a crush washer or shims to time it properly.

by Armando R., Gear Expert, December 15, 2019
Will this fit a bull barrel appropriately where it tapers down to the barrel? What is that diameter? Expert Answer

It tapers down to a .650" diameter so there will be a noticeable step.

by Jonathan D., Gear Expert, August 9, 2018
Customer Reviews
Helpful Positive Review Good Cmpensator by Tom C, Verified Owner, February 15, 2017
Easy to install. Flash hider or not, staying on target with minimal disturbance is more important than hiding flash. Take out the threat and you don't need to hide your flash. Ported to compensate for muzzle rise, helps in retargeting more quickly. B...
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1/6 found this helpful
Helpful Positive Review Compensator by Shawn Michaels, Verified Owner, August 31, 2021
A great compensator for my platform! I highly recommend Opticsplanet.com to anybody that is looking for upgrades! The ease of researching products was refreshing, ordering was simple and shipping was faster than I expected!
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Most Recent Reviews Affordable muzzle brake by Ken, Verified Owner, August 31, 2016
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Color: Black Caliber: .223 Remington Fabric/Material: Steel Threads per Inch: 1/2x28 Gun Model: AR-15 Condition: New

Code: 2AH-BMB-YKKLJ-ARMB-3

MPN: ARMB-3

UPC: 714569644000

List: $42.95Save 31%
$29.72

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Product Info for Guntec USA AR-15 Multi Port Steel Compensator

Multi Port Compensator 3 Side Porting Slots And Top Porting Holes Reduce Muzzle Climb And Recoil All Steel Construction 1/2 x 28 Thread Pitch .223 Calimage

Specifications for Guntec USA AR-15 Multi Port Steel Compensator:

Manufacturer: Guntec USA
Color: Black
Caliber: .223 Remington
Fabric/Material: Steel
Threads per Inch: 1/2x28
Gun Model: AR-15
Condition: New

Package Contents:

  • Guntec USA AR-15 Multi Port Steel Compensator

Guntec USA AR-15 Multi Port Steel Compensator Orderable Models

List of Orderable Models

Guntec USA AR-15 Multi Port Steel Compensator, ARMB-3 , MPN: ARMB-3 , UPC: 714569644000 , Code: 2AH-BMB-YKKLJ-ARMB-3

Guntec USA AR-15 Multi Port Steel Compensator Unavailable & Discontinued Models

List of Unorderable Models

Guntec USA AR-15 Multi Port Steel Compensator, 9mm, Black, ARMB-3-9 , MPN: ARMB-3-9 , UPC: 714569646783 , Code: 2AH-BMB-YKKLJ-ARMB-3-9
Guntec USA AR-15 Multi Port Steel Compensator, Flat Dark Earth, ARMB-3-FDE , MPN: ARMB-3-FDE , UPC: 714569644932 , Code: 2AH-BMB-YKKLJ-ARMB-3-FDE
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