Dirty Bird DB9 9mm Billet Lower Receiver
The DB9 Billet Lower Receiver is an ideal choice for starting your pistol caliber (9mm, 40 S&W, .357 Sig) AR build. Precision machined from a solid block of 7075-T6 billet aluminum and finished with hard-coat black anodizing per Mil 8625 Type 3 Class 2 specifications, you can be sure that this unit is as tough as they come.
This lower receiver accepts any Glock style small frame pistol caliber magazines in 9mm, .40 S&W, .357 SIG, etc. and the mag well features a beveled feed lip for quick and easy mag swaps. Extensive testing and attention to detail also ensure that your Glock style magazines will drop free when released. The proprietary magazine catch and ejector is included and pre-installed from the factory.
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Dedicated 9mm Platform: Engineered exclusively for 9mm builds using Glock®-pattern magazines.
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LRBHO System: Features a reliable last round bolt hold open (LRBHO) mechanism for faster and more efficient reloads.
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Ready for Customization: Ships stripped, including proprietary magazine and bolt release controls pre-installed, so you can add your preferred grip, trigger, and buffer system.
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Enhanced Ergonomics: Includes an integral trigger guard and a flared magwell tailored to Glock® mags for intuitive reloads and a sleek profile.
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Premium Build Quality: CNC-machined from billet 7075-T6 aluminum and finished with a Mil-Spec hardcoat anodize for maximum durability and corrosion resistance.
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Made in the USA: Manufactured to the highest standards with a lifetime warranty on materials and workmanship.
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Machined from billet 7075-T6 aluminum
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Compatible with Glock®-style 9mm magazines
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Last round bolt hold open feature
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Nylon upper/lower tensioning screw
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Integrates seamlessly with Mil-Spec AR-15 small parts
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Proprietary mag release and bolt catch pre-installed
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Lifetime warranty
| Weight | 16 oz |
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| Color | Black, FDE, Midnight Bronze, OD Green, Sniper Grey |
| UPC | 810084372128,810084373439,810084373415,810084373446,810084373422 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
Customer Reviews
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United States
Dirty Bird Ar9 Lower
Seems to be a great lower.. have a few hundred rounds run thru this build. My only problem.. my opinion.. is the mag release is plastic. Does not release glock or aftermarket mags to well. Small battle to get mag free but for the price I can't complain.
USQuality AR9 lower
I was looking for a AR9 platform for a 16" barrel build. After reading numerous reviews on the DB lower I decided to give it a try. I have 2 Aero EPC builds which I've been pleased with but wanted to try another brand. The DB proved to be a solid choice, quality finish, machining is perfect and a fair price. I paired it with a New Frontier AR9 upper (I have a review posted, some modifications were necessary on the upper) and the set work great together. The Faxon 16" barrel, FM9 BCG and Kynshot buffer contribute to a smooth, easy and fun shooting experience.
USGreat quality lower on SALE :)
Got this on sale and threw a 7.5" upper on it. No issues what so ever and it's a blast to shoot. I used a giessele g2s trigger but next build I'll be trying the dirty bird 2 stage for the first time. Quality is great and would buy this again no doubt.
USDirty Bird did the trick.
This lower is of great quality and went together flawless. I would highly recommend this product.
USPleased
Well built couldn't ask for more
