Designated Marksman Rifle


Product Sheet Download

The RD MK1 MOD1 DMR 556 is a 16” carbine available in 5.56
NATO. Equipped standard with RD Suppressor KFM Taper Lock
Flash Hider, Battle Arms Development RACK® Ambi Charging
Handle, B5 Systems Bravo Stock, B5 Grip, Nickel Teflon
Two Stage trigger, ambi selector, enhanced trigger guard
and optional Griffin Armament M2 Iron Sights,

All of our MK1 MOD1 series carbines
utilize our patented threaded straight gas tube and gas block
to eliminate gas leakage and help reduce recoil. MK1 M-LOK®
handguards are thermal fit to a steel barrel nut with a robust
Tombstone lockup resulting in an extremely rigid handguard.


UPC: 814034027472

Instruction Manual View all Products
Barrel Length 16-Inch
Barrel Material 4150 Chromoly
Barrel Finish Melonite
Barrel Thread Pitch 1/2x28
Chamber 5.56
Twist Rate 1:7
Barrel Extension M4 feed ramps
Gas System Direct Impingement – Intermediate Length
Gas Block Type .750” Patented low profile gas block and threaded gas tube
Muzzle Device RD KFM, taper lock suppressor mount / Flash Hider
Sights Griffin Armament M2 Iron Sights
Upper Receiver Material Forged 7075 T6
Upper Receiver Style Anti-rotation alignment Tab
Upper Receiver Finish Type III Anodizing
Forward Assist MIL-STD
Dust Cover MIL-STD
Handguard Type Free Float MLOK
Handguard Style Integrated alignment tab with upper receiver
Handguard Length 15-Inch
Charging Handle Battle Arms Development RACK Ambi Charging Handle
Lower Receiver Forged 7075 T6
Lower Receiver Finish Type III Anodizing
Fire Control Group Nickel Teflon, 2-Stage Fire Control Group
Grip B5 Grip
Stock B5 Precision
Height 7.5-Inch
Length 34.75-Inch Collapsed – 38-Inch Extended
Weight 8.27lbs
Magazine 5.56 30 Round
MSRP $1599.00