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Aero Precision AR-15 Gen 2 Receiver Set vs Dirty Bird Side-Charging DB9 9mm / Pistol Caliber Receiver SetReceiver Sets
Put receiver sets head to head to compare size, weight, and more.
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Featured Deal
$153.44
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vs |
Featured Deal
$359.90
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| Receiver Sets | Aero Precision AR-15 Gen 2 Receiver Set | Dirty Bird Side-Charging DB9 9mm / Pistol Caliber Receiver Set |
|---|---|---|
| Summary | ||
| Rating |
Not Rated
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Not Rated
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| Rank | ||
| Weight | 0.0000 oz | |
| Color | Black, FDE, Midnight Bronze, OD Green | |
| Details | ||
| Brand | AERO PRECISION | Dirty Bird Industries |
| Prices | ||
| MSRP | $153.44 | $359.90 |
| Used Price | $107.41 | $251.93 |
| Sale Price | $138.10 | $323.91 |
Receiver Sets Descriptions
Aero Precision AR-15 Gen 2 Receiver Set
This Aero Precision Receiver Set is everything that you need to get your build off the ground, running. High quality craftsmanship and a middle-of-the-road price, means you are getting one of the most solid receiver sets on the market today. This receiver set includes: The Aero Precision complete mil-spec AR-15 upper receiver. Fully assembled, includes M4 feed ramps, installed dust cover, forward assist, and laser engraved T- marks on the top rail. Ready to add a barrel and handguard out of the box, this US made upper receiver requires no additional assembly and is competitively priced. Features: M4 feedramp already installed Standard .250 takedown pin holes Laser engraved T-marks Dust cover and forward assist already installed * Please note this upper only comes in black. If you are interested in having it cerakoted to match the lower, please contact us for information on our cerakote services! The Aero Precision AR-15 Gen 2 Stripped Lower Receiver is the perfect base for your custom AR-15 build. Machined to mil-spec dimensions, their lowers work with standard AR-15 components and ensure the highest quality with a correct component interface. Upper Tension Screw – Allows users to fine tune the fit of the upper and lower receiver through the use of a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR-15 upper receiver. Increased Magwell Flare – Allows for easier insertion of magazines and provides a sleeker look. Features: Stripped AR-15 Lower Receiver, Gen 2 Nylon tipped tensioning set screw
Dirty Bird Side-Charging DB9 9mm / Pistol Caliber Receiver Set
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 Does not come with pivot/takedown pins. 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. 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. New Frontier Pistol Caliber Billet AR-9/45 Side Charging Upper with LRBHO Other Specifications and Features of the Side Charging AR-9 Stripped Billet Upper with LRBHO: Machined from 6061 billet aluminum Matte black hard-coat anodized per Mil 8625 Type 3 Class 2 Compatible with all Glock Mag AR-9 components and most aftermarket parts Adjustable tension slide lock on charging handle Rear dust cover trap door that seals shut when mated with lower Manufactured to MILSPEC on state of the art CNC equipment for consistent quality parts and exacting tolerances Save money by building your own AR pistol caliber rifle from the ground up exactly the way you want it configured Designed to match lines with New Frontier Armory C-9 and C-45 Billet Lower and most forged lowers **NOTE: Some rail systems that use anti-rotation tabs may need slight modification to fit this upper. It is designed for flush mounting rails and standard hand guards.
