KELTEC RDB DEFENDER 5.56 BL/BLK 16″

KELTEC RDB Defender 5.56 BL/BLK 16″

The KELTEC RDB Defender in 5.56 BLK/BLK with a 16″ barrel is built for practical, everyday carry of firepower—whether that means home defense readiness or range training. This semi-automatic carbine configuration uses a modern sporting rifle design and a compact overall length that suits quick handling. If you’re searching for a reliable 5.56 NATO-ready RDB Defender rifle, this model’s factory specifications provide a clear baseline for safe, compliant ownership.

Key Specifications

• The UPC is 640832008081.
• The manufacturer is Keltec.
• The manufacturer part number is RDBDBLK.
• The action is Semi-Auto.
• The ATF type is Modern Sporting Rifle.
• The barrel length is 16 in.
• The caliber is .223 REM/5.56 NATO.
• The magazine capacity is 20 rds.
• The included magazine count is 1 (20 rd Magpul PMag).
• The overall length is 37.1 in.
• The model is RDB.
• The rate of twist is 1:7 in.
• The safety is Ambidextrous.
• The sights are Not Included.
• The product type is Carbine.

The KELTEC RDB Defender 5.56 BL/BLK combines a 16″ 5.56 NATO-compatible barrel, compact handling at 37.1″ overall length, and a 20-round Magpul PMag setup designed for dependable feeding in a modern sporting rifle platform. With an ambidextrous safety and a 1:7 twist rate suited to common 5.56/.223 loadings, this carbine delivers straightforward usability for home defense preparedness and consistent range performance.

Frequently Asked Questions (FAQs)

1) Is the KELTEC RDB Defender 5.56 suitable for both .223 Rem and 5.56 NATO?
Yes—this model is listed for .223 REM/5.56 NATO based on the manufacturer’s caliber specification.

2) What is the barrel length on this RDB Defender?
The barrel length is 16 inches.

3) How many magazines come with the rifle?
The package includes 1 magazine, and it is a 20 rd Magpul PMag.

4) What is the twist rate of the barrel?
The rate of twist is 1:7 inches.

5) Are sights included on this firearm?
No—the sights are listed as not included.

6) What type of action does this rifle use?
It uses a Semi-Auto action.

7) What states are restricted for shipping of this item?
The listing indicates NO DIRECT SHIP to California, and NO SALE to Illinois, Oregon, Rhode Island, and Washington.