AR-15 Acronyms T- Glow Sticks

UBR - Utility/Battle Rifle (a general purpose adjustable stock made by Magpul, with a fixed cheekweld. Successor to the M93B.)
UD - Unintentional Discharge (a weapon discharge made without deliberate or conscious intent, including accidental, involuntary and negligent discharges Glow sticks)
URX - Upper Receiver eXtension (a free-floating rail system made by Knight's Armament)
USGI - United States Government Issue (often in reference to magazines - most regard USGI mags as the best Glow stick
USMC - United States Marine Corps

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AR-15 Acronyms D

DC - Dust Cover

DCH - Detachable Carry Handle

DCM - Director of Civilian Marksmanship (replaced by the CMP)

DD - Daniel Defense (manufacturer of free floating railed handguards, slings
and accessories - website)

DD - Destructive Device (an explosive, incendiary, or poison gas device as defined
by the NFA)

DEWAT - De-activated War Trophy (a machine gun whose barrel has been plugged
and welded to the receiver and whose chamber has been welded shut, rendering
it unserviceable but still subject to the regulations of the NFA)

DIAS - Drop-In Auto Sear (a device used to convert a semi-automatic gun to full-auto.
By itself considered to be a machine gun under the NFA, and unregistered ones
are illegal to even possess with, let alone install in, the guns they convert)

DILLIGAF - Do I Look Like I Give A pistol
grip

DIY - Do It Yourself

DOD - Department Of Defense

DPMS - Defense Procurement Manufacturing Services (builder of AR-15
rifles and supplier of parts and accessories
- website)

DRMO - Defense Reutilization Marketing Office (an office of the DRMS - website)

DRMS - Defense Reutilization Marketing Service (a government agency that disposes
of excess property received from the military services - website)

DSA - D.S. Arms (specializes in FAL rifles, but also sells AR-15
parts and AR-15
accessories - website)

DU - Democratic Underground (a site for the exchange of what are considered
liberal ideas - not friendly to your Second Amendment rights)

EA - Essential Arms (manufacturer of AR-15
lowers, stocks and parts - website)

EBR - Evil Black Rifle (a twist on the gun-grabbers' propaganda, embraced by
supporters of the RKBA to both endearingly and sarcastically refer to military-style
rifles such as the AR15
)

EE - Equipment Exchange (a board on this site for buying, selling and trading
equipment)

ETA - Edited To Add (an explanation of what was added or changed when a member
edited his or her post)

ETA - Estimated Time of Arrival (in conventional usage, but see also "Edited
To Add" Fiber
optic sight)

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