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Dirty Bird Side-Charging DB9 9mm / Pistol Caliber Receiver Set vs San Tan Tactical STT-15L Lite PILLAR Billet Receiver Combo - STT-15L-Lite-PILLAR-ComboReceiver Sets
Put receiver sets head to head to compare size, weight, and more.
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Featured Deal
$359.90
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vs |
Featured Deal
$429.95
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| Receiver Sets | Dirty Bird Side-Charging DB9 9mm / Pistol Caliber Receiver Set | San Tan Tactical STT-15L Lite PILLAR Billet Receiver Combo - STT-15L-Lite-PILLAR-Combo |
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| Summary | ||
| Rating |
Not Rated
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Not Rated
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| Rank | ||
| Weight | 0.0000 oz | 17.6 oz |
| Color | Black, FDE, Midnight Bronze, OD Green | |
| Details | ||
| Brand | Dirty Bird Industries | San Tan Tactical |
| Prices | ||
| MSRP | $359.90 | $429.95 |
| Used Price | $251.93 | $300.97 |
| Sale Price | $323.91 | $386.96 |
Receiver Sets Descriptions
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.
San Tan Tactical STT-15L Lite PILLAR Billet Receiver Combo - STT-15L-Lite-PILLAR-Combo
The San Tan Tactical STT-15 Lite Pillar Billet Receiver Set was designed from the ground up to be exceptionally lightweight without making any compromises. Each receiver set is precisely machined out of a solid block of 7075-T6 aluminum on state-of-the-art CNC machinery. This allows for a greater degree of precision for extremely tight tolerances and additional features like lightening cuts to reduce weight and an enlarged magazine well and trigger guard. The STT-15L billet AR-15 receiver set from San Tan Tactical offers uncompromising performance, so you can build the rifle you need. Features: Machined from 7075-T6 aluminum Mil-Spec Type III hardcoat anodized black 3D CAD Designed for maximum weight savings Threaded bolt catch pin Compatible with Mil-Spec parts kits .154” trigger pin holes Lightened receiver cuts Enlarged trigger guard and beveled magazine well Receiver tension screw Upper receiver comes assembled Matched set weighs 14.6 Oz The lower receiver makes assembly easy thanks to the limination of roll pins, but a lower parts kit is still required to finish it. Compatible with all Mil-Spec components like a trigger with .154” pin diameters and ambidextrous safety selectors. However, the upper receiver comes fully assembled with a dust cover, eliminating the forward assist to further improve weight savings. An additional feature of this AR-15 billet receiver set is built in receiver tension screw that can be accessed through the bottom near the pistol grip. San Tan Tactical believes in carrying on the tradition of American designed and made firearms and that is exactly what they are doing. Their receivers and lower parts are some of the most innovative in the industry and they are proud bring you a product not only made from American sourced materials, but American machinery as well. They take the time to listen to customers critiques and are constantly evolving their products to satisfy your needs.
