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Dirty Bird DB9 9mm Billet Lower Receiver - D067 Review
About Dirty Bird DB9 9mm Billet Lower Receiver - D067
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. Other features include: Threaded takedown pin spring and detent hole for easy installation. Set screw is included. Note: To prevent excess pressure on the rear takedown pin and detent, you can shorten the detent spring by the same length of the set screw using some wire cutters prior to installation. Threaded upper tension screw to adjust any “slop” out of vertical fit between the upper and lower. Ambidextrous finger rests above and below the mag release. Threaded bolt catch pin included for easy bolt catch installation. Manufactured by New Frontier Armory right here in the USA. Lifetime Limited Warranty Important information: Magazine Compatibility This lower will drop-free factory Glock small frame pistol magazines. It has also been thoroughly tested with Magpul GL17 9mm pistol magazines to fit and drop-free. Promo, KCI, Kahn and other types of magazines will also work but due to varying thicknesses relative to factory Glock mag dimensions, slight modification to the magazine catch may be required. Last Round Bolt Hold-Open After evaluating many different design concepts from other manufacturers and finding fault in nearly all of them, we’ve designed this lower to use any standard mil-spec or similar bolt catch. Our last round bolt hold open technology instead resides in our matching pistol caliber upper receivers. These billet upper receivers use a PATENT PENDING design which has been proven in numerous field tests to provide the most reliable last round bolt hold open of any that we’ve tested. Bolt Carrier Group (BCG) Requirements You’ll need a BCG which is compatible with Glock style magazines. Some BCGs in the market are compatible with both Colt and Glock style magazines but some others are specific. The difference is Glock magazine compatible BCGs have the relief cuts necessary to clear the magazines. Lower Parts Kit Compatibility Any mil-spec or better LPK will work but you won’t need the mag catch assembly, bolt catch roll pin or the trigger guard as those are all included with this lower. Buffer Recommendations You’ll want to use a 9mm (extended) buffer which is longer and heavier than a standard carbine buffer. Standard carbine buffers will work but it’s a good idea to use a spacer to limit the rearward travel. This is simply because a 9mm BCG is shorter than a standard BCG which means there is more travel and gives the BCG more time to build speed as it returns home and this extra velocity can cause excess stress on the bolt catch. 9mm extended buffers are common and well worth the investment. Before firing your new build we suggest you adjust the ejector. You can do this quickly and easily by following these steps: Back-off the two hex-head screws holding the ejector just enough so the ejector has a semi-tight “friction fit”. Ensure the ejector is seated all the way to the rear and all the way down in it’s pocket. Close the upper onto the lower with the bolt all the way forward. SLOWLY cycle the bolt in and out about 1/4 of the way back a few times. Allow the bolt to close all the way and tighten up the ejector screws. No need to over-torque as this could cause the ejector to shift position, we’ll be adding blue (non-permanent) locktite in the next step. OPTIONAL: At this point you can use some dummy rounds to check for proper ejection. Remove one ejector screw at a time (ensuring the ejector does not move) and add a dab of blue locktite to the threads and tighten them back down.
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Dirty Bird DB9 9mm Billet Lower Receiver - D067 Questions and Answers
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Ratings and Reviews
Pleased
Lucas C.
2 years ago
Well built couldn't ask for more
Fantastic Lower
Will D.
3 years ago
Excellent quality product and service. Will be back.
Very Nice Lower
Brian S.
3 years ago
Finish and looks are great. Like how it fits tightly with the upper receiver. The one piece trigger guard is a nice touch as well.
Pleasantly surprised
Zach W.
4 years ago
AR15 discounts is my new best friend!! Great customer service and the Dirty Bird 9mm lower is AMAZING considering the price. In my mind I was settling by not getting a $300+ billet lower, but when this thing arrived I was ready to buy another!
FFL Said its Awesome!
Thomas A.
4 years ago
This is the first build I am doing and had to have it sent to a local FFL. The part came in and when I went to pick it up, knowing this is my first build, he proceeded to tell me what a great lower this was and all the reasons why. I’m inexperienced but take the word of an FFL who has been doing this for over 30 years! Great product, Awesome price! More when I’m done!
Lower
Jamie s.
4 years ago
Very nice. Works well with the upper. You can not beat New Frontier Armory products.
9mm Billet
Todd G.
4 years ago
Received the billet about 5 days after it was ordered, very pleased with the lower. All the pieces went together perfectly. Customer service is great, no problems at all. Have already bought more parts from here.
Great AR-9 Lower Receiver
Bryan H.
4 years ago
It works perfectly. This is my 3rd lower receiver I have purchased from Dirty Bird.
DB 9 Lower is outstanding
Steve G.
4 years ago
Excellent, strongly recomend this product.
Exceeded expectations!
Zach S.
4 years ago
Fit and finish are great. Good quality and great price! Fast shipping!
9mm stripped lower
Gerald k.
4 years ago
Great product with a nice finish. Had no issues with assembling
Great 9mm lower!
Noah B.
4 years ago
Did not disappoint. The only down fall was the 5 month wait for them to get into stock long enough I could order one!
It's Ok
Chad S.
4 years ago
First of all, it looks great, nice sturdy feel like it can really take some abuse. But, the little allen head screw for the take down is a joke, just remove it and use an end plate you'll thank yourself later ! Then there's the issue with the mags ( may have been the ones I bought maybe not ) it's like they don't go in far enough but whatever it was it didn't feed properly, it was… read more like they needed to push up just a hair more. overall really nice lower receiver. side note a lrbho would be really nice !
Love it
Jason P.
4 years ago
Great quality construction and so much simpler to assemble than your standard AR lower. I will be buying this again.
Great lower
Leland T.
5 years ago
Quick easy shipping to my local FFL, completing of the build was quick and painless. Seems to flawlessly accept Glock magazines as well as 2 different after market. Went with 4 stars instead of 5 as I have not yet had time to shoot my new build.
Db9 9mm lower
Jessie U.
5 years ago
Good lower for the price. Fit and finish up to par. Mag fit no problem.
DB9 Lower
Zack
5 years ago
the lower is well built, looks and feels great. Roll stamp is better than spikes by far. However, the glock mag will not work in this without modification. Which i am surprised has not been addressed yet by the manufacturer. You need to remove the mag release and bevel the bottom edge for it to accept any glock mag. the second thing thats iffy is the rear take-down pin detent spring… read more hole. they use an allen key and you need to either remove the key and use the old fashion way of the end plate. Or cut the spring and use the allen key. But other than those 2 issues this lower is mean and looks, feels, and works excellent. I'm sure DB will eventually fix the 2 simple issues.
Dirty bird 9mm lower receiver
Ming C.
5 years ago
This is my first Dirty Bird 9mm lower receiver purchased ,very good quality and fast shipment , l enjoy my AR build and this is one of the best l really like, l regret didn’t add OD Green on it , but after l put all the OD Green parts together , it’s look really good l will purchase this item again .
Great Customer Service
Juan C.
5 years ago
Great Customer service! I had an abundant amount of questions and they were all answered, never felt obligated to buy. They even suggested similar products at a better price. I will definetly be using their services again.
Nice little Lower
Christopher B.
5 years ago
Appearance was great and it looks like its built well. Glock mag fits real nice. It gives me confidence to shoot it. Haven't had a chance to shoot it yet but I'm sure it will do fine
AR15 Deals Score
Deal (1)
Popularity: 492
MSRP:
$171.95
$171.95
Used Price:
$120.37
$120.37
Sale Price:
$154.76
$154.76
Specifications |
|||
|---|---|---|---|
| Brand | Dirty Bird Industries | ||
| Category | Lower Receivers | ||
| Weight | 16 oz | ||
