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Dirty Bird DB9 9mm MP5-Style Billet Receiver Set + 2 Mags

From $341.80
1 × Dirty Bird DB9 9mm MP5-Style Billet Lower Receiver
Color
Clear
Save 9 – 10%
MSRP: $189.99 – $229.99
From $171.95
1 × New Frontier C-5 9mm Slick Side Billet Upper Receiver

Only 6 left in stock

Save 16%
MSRP: $118.99
$99.95
2 × KCI H&K MP5 Gen 2 9mm 30-Round Magazine

Only 5 left in stock

Save 22%
MSRP: $44.99
$34.95

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SKU: BUNDLE-DBIMP5K Categories: ,
Description

Dirty Bird DB9 9mm MP5-Style Billet Lower Receiver

The DB9 MP5 Billet Lower Receiver is an ideal choice for starting your 9mm 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 most MP5 style small frame pistol caliber magazines in 9mm 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 MP5 style magazines will drop free when released. The proprietary magazine catch and ejector is included and pre-installed from the factory.

Other features include:

  • Machined from 7075-T6 aircraft grade billet aluminum
  • Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
  • Precision machined magazine well with beveled feed lip for easy mag swaps
  • Machined and engraved to be compatible with 45 and 60-degree short throw fire control selectors such as the BAD_ASS ST 45 Lever
  • Compatible with most standard AR-9 components and most aftermarket parts
  • Take down pin spring and detent hole is threaded for a 6-32 set screw for easy capturing (hardware included)
  • Upper tension screw behind grip screw (threaded hole with hardware included) to adjust any “slop” out of vertical fit between upper and lower
  • Ambidextrous trigger finger rests with grooves (above and below mag release/mag catch)
  • Threaded bolt catch pin (Threaded hole and hardware)
  • Integrated large opening “winter” trigger guard
  • Limited Lifetime Warranty

Important information:

Magazine Compatibility

The lower was designed to fit and drop free factory MP5 9mm magazines. It has also been thoroughly tested with many aftermarket magazines to fit and drop free. Although it accepts and shoots other aftermarket magazines (KCI, etc) some slight modification may be needed to get them to drop free from this lower because of the varying width measurement we have seen when checking these magazines to H&K MP5 factory specifications.

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.

Stripped C-5 “Slick Side” Billet Upper – Accepts MP5, Glock, & Colt Style Mags

Manufacturer: New Frontier Armory

Model: Stripped C-5 Billet AR-9 “Slick Side” Upper Receiver

Caliber: Multi

Magazine:MP5, Glock, Colt (NO LRBHO Feature in Upper)

Weight: 0.70 pounds

Other Specifications and Features of the Stripped C-5 Billet AR-9 “Slick Side” Upper Receiver:

  • Machined from 7075 T6 aircraft grade billet aluminum
  • Widening cut to accept a wider range of pistol caliber magazines
  • Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
  • Compatible with all standard AR-9 components and most aftermarket parts — Machined pocket to accommodate Magpul BAD Lever
  • Manufactured to MILSPEC on state of the art CNC equipment for consistent quality parts and exacting tolerances
  • Save money by building your own AR-9 rifle from the ground up exactly the way you want it configured
  • Designed to match lines with New Frontier Armory C-5 Billet Lower

**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 handguards.

The New Frontier Armory Stripped C-5 Billet AR-9 “Slick Side” Upper Receiver is proudly MADE IN THE USA by hard-working American men and women.

KCI H&K MP5 Gen 2 9mm 30-Round Magazine

Favored by budget-minded target shooters across North America, the KCI® HK® MP5 Gen 2 9mm 30-Round Magazine is an affordable aftermarket centerfire pistol magazine, designed to deliver factory-like field performance at a price point designed to fit any budget. Featuring a high-tensile chrome silicon wire spring and injection-molded polymer follower, this magazine offers jam-free operation and consistent cartridge alignment for a reduced risk of jams or failures. This magazine features durable, yet lightweight steel construction with a corrosion-resistant blued finish for lasting durability, while numbered witness holes and a polymer baseplate offer enhanced reliability while on the move. Don’t wait! Pick yours up today! Made in USA.