Thread Protector for Glock® Barrels


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Ballistic Advantage Authorized DealerAero Precision Authorized Dealer

Thread Protector for Glock®

1/2 x 28 TPI – 100% Made in the USA

Our Thread Protector is designed to fit AoA Duty Series threaded barrels for Glock®, or other 1/2×28 TPI threads. Includes 1 steel threaded cap in your choice of finish, and 1 O-Ring.

What is the Arm or Ally Brand?

Arm or Ally branded products are manufactured in the same facilities and to the same standards as many popular, high-end brands. Our promise to you is a high-quality product at a more affordable price. 100% American made products, backed by the same defect-free warranty as every other product we offer.

Product Information

Select Finish

Black, TiN, Chameleon

Part Type

Small Parts

Made in USA





416R Stainless


Leading U.S. Manufacturer

Muzzle Thread


Arm or Ally

Arm or Ally is a stocking dealer for all Aero Precision, Faxon Firearms, Ballistic Advantage, HOLOSUN, Toolcraft, Elftmann Tactical, Timney, TriggerTech, HIPERFIRE and named the #1 Overall E-Commerce Dealer for Aero Precision Products in 2020!

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