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Questions & Answers
Customer Reviews
Helpful Positive Review
Will save you pennies on the dollar by David, Verified Owner, May 21, 2022
I have several 5.56 rifles, some ARs, some military piston guns. I bought an OSS suppressor and put the OSS flash hiders on all them. Two had a poor alignment. Without this rod I'd have risked a baffle strike and been out $1,000+. If this rod prevent...
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4/4 found this helpful
Helpful Positive Review
baffle strikes suck by m, Verified Owner, December 15, 2024
They are pricey but cheap if you consider how much it will cost to repair or replace a suppressor if it's not properly aligned. Good piece of mind item.
1/1 found this helpful
Most Recent Reviews
stiff rod is nessary by Michael Harkless, Verified Owner, August 5, 2025
Works like expected. Would recommend when shipped better packaging. It was a long wait for this to arrive.
Most Recent Reviews
Peace of Mind! by NDogg, Verified Owner, June 21, 2025
A good investment to make sure you're not going to have a baffle strike on your thousand of dollars suppressor. Very quality tool. Totally recommend!
Most Recent Reviews
Effective Safety Measures by jay, Verified Owner, March 6, 2025
Muzzle devices are cool until they aren't aligned right. This rod is an essential tool that effectively checks alignment of any muzzle device. It's best used for suppressors, but I used it on my muzzle break to ensure its alignment. If you enjoy savi...
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Most Recent Reviews
great product by Jim, Verified Owner, March 2, 2025
This is a great product. It gives me piece of mind that I installed my muzzle device correctly. It comes with a nice protective plastic container as well
Read All 17 Reviews
Fabric/Material: Steel Caliber: 5.56x45mm NATO Color: Black

Code: 1TO-GS8-10-259-F

MPN: 10-259-F

UPC: 854014005243

List: $76.50Save $2.01
$74.49

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Geissele Suppressor Alignment Rod 5.56mm, 15 in

The Geissele Suppressor Alignment Gage (SAG) is a precision gage used to verify the alignment of a suppressor to the bore of a firearm barrel. It is important to understand that the length of the suppressor is usually much longer than the length of the barrel / muzzle device / suppressor interface geometry. A small deviation at the mounting interface means a much larger deviation of the suppressor exit hole. The deviations from nominal can also be additive which compounds suppressor misalignment.image

The Geissele SAG is manufactured from hardened steel that has been ground 0.002" under nominal bore diameter. The outside diameter of the SAG is finely finished and straight to 0.001" over its length. Geissele hardens the SAG so that it will not wear by sliding exposure to abrasive powder residue, pull burrs if it slides against misaligned baffles nor allow abrasive particle to imbed into the surface of the gage.

There can be a wide variation in barrel bore diameters and bore straightness. 0.002" under nominal bore diameter has been found to be the best size of the SAG that will fit most barrels. The long length of the SAG aligns the gage to the bore; it is not necessary to have a very tight fitting gage with the long length of the Geissele SAG.

WARNING: California`s Proposition 65

Specifications for Geissele Suppressor Alignment Rod 5.56mm, 15 in:

Manufacturer: Geissele
Fabric/Material: Steel
Caliber: 5.56x45mm NATO
Color: Black
Country of Origin: USA
Gun Type: Rifle
Quantity: 1
Length: 15 in

Package Content:

  • Geissele Suppressor Alignment Rod 5.56mm, 15 in

Geissele Suppressor Alignment Rod 5.56mm, 15 in Orderable Models

List of Orderable Models

  • Geissele Suppressor Alignment Rod 5.56mm 15 Inch, 10-259-F , MPN: 10-259-F , UPC: 854014005243 , Code: 1TO-GS8-10-259-F
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