MANUFACTURER: Keltec
FAMILY: RDB Series
MODEL: RDB
TYPE: Rifle
ITEM GROUP: Tactical Centerfire Semi-Auto Rifles
ACTION: Semi-Auto
CALIBER/GAUGE: 223 Rem | 5.56 NATO
FINISH: Blue
FINISH TYPE: Blued
STOCK: Synthetic Stock
STOCK/GRIPS: Black Synthetic
BARREL: 20"
OVERALL LENGTH: 30"
RATE-OF-TWIST: 1-in-7
CAPACITY: 10 + 1
# OF MAGAZINES: 1
MAG DESCRIPTION: 10 rd.
WEIGHT: 6.9 lbs
SHIPPING WEIGHT: 9.35 lbs.
SAFETY FEATURES: Ambidextrous Thumb Safety
ADDL INFO: Downward Facing Extractor
ADDL INFO: Fully Adjustable Piston
MFG MODEL NO: RDBCBLK
UPC: 640832006148

Keltec RDB Semi Auto 5.56 NATO MA OK

Name: Keltec RDB Semi Auto 5.56 NATO MA OK
Brand: Keltec

$1,107.96

Excluding Sales Tax

Quantity

Only 3 left in stock

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Download the approved handgun roster to view which handguns are transferable in Massachusetts

The enforcement of the Long Gun Roster has been postponed until the roster is officially released, and the release date remains uncertain. As of writing this (11/7/2026), all long guns are still transferable in Massachusetts for now, provided they do not meet the NEW definition of an "Assault Style Firearm."

View Approved Roster

Assault Weapon Definition + FCAB Meeting Notes