--- title: "Dead Air Armament KeyMicro 9mm Brake 1/2-36" description: "Black nitride 4140 HT steel 9mm muzzle brake with 1/2-36 threads, 2.063\" length, and KeyMicro Adapter compatibility." canonical_url: "https://www.kygunco.com/product/dead-air-keymicro-brake-1-2-36-9mm" meta: author: KYGUNCO "og:description": "Black nitride 4140 HT steel 9mm muzzle brake with 1/2-36 threads, 2.063\" length, and KeyMicro Adapter compatibility." "og:image": "https://cdn.kygunco.com/assets/products/250692/thumbnail.jpg?v=1756476056" "og:image:height": "500" "og:image:width": "500" "og:title": "Dead Air Armament KeyMicro 9mm Brake 1/2-36" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Gun Parts](https://www.kygunco.com/category/shooting/gun-parts) / [Handgun & Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts) / [Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts) / [Muzzle Brakes & Devices](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/muzzle-brakes-and-devices) / DDR-DA110 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/250692/main.jpg?v=1756476056) For illustration purposes only, this image may not be an exact representation of the product. # DEAD AIR ARMAMENT KeyMicro Brake 1/2-36 9mm The KeyMicro Brake is a short, lightweight single-port 9mm muzzle brake with 1/2-36 threads. Made from 4140 HT alloy steel with a black nitride finish, it is designed for use with the KeyMicro Adapter and measures 2.063" long while weighing 3.41 oz. $69 ** 5 interest-free payments of **$13.80** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Fulfilled by a partner warehouse. ** Partner Fulfilled Almost gone. Order now before it sells out. Item # 250692 Style DDR-DA110 UPC 810128160537 Condition New Manufacturer [Dead Air Armament](https://www.kygunco.com/brand/dead-air-armament) Weight 1 lb **KeyMicro Brake — 1/2×36 (9mm)** A short, lightweight single-port brake that runs minimalist on its own or pairs with the KeyMicro Adapter for a fast, repeatable QD mounting platform. Built on the same proven technology as KeyMo and featuring a dedicated 9mm bore. **Threads & Bore** - Thread: 1/2×36 - Through bore: 9mm **Dimensions & Weight** - Length: 2.063" - Weight: 3.41 oz **Materials & Finish** - 4140 HT alloy steel - Black nitride **Mounting & Compatibility** - Designed for the KeyMicro Adapter - KeyMicro muzzle devices are also compatible with the KeyMo Adapter - Works with: Wolfman (KeyMicro), Ghost 45 (KeyMicro), Sandman Series, Nomad/Nomad Ti (with KeyMo adapter), Primal (with KeyMo adapter), Sierra 5 (with KeyMo adapter), Wolverine (with HUB adapter) **Notes** - Pin & weld: Not pre-drilled ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from Dead Air Armament ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/dead-air-keymicro-brake-1-2-36-9mm#webpage","@type":"WebPage","description":"Black nitride 4140 HT steel 9mm muzzle brake with 1/2-36 threads, 2.063\" length, and KeyMicro Adapter compatibility.","name":"Dead Air Armament KeyMicro 9mm Brake 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