surefire & harris bipods

AR-15 Acronyms P- Gun Accessories

P2P - Person to Person (used in chat, may also be used to refer to face to face sales)
PAFS - Permanently Attached Flash Suppressor (generally permanantly attached in order to bring a barrel's overall Gun Accessories to 16" and thus avoid the legal restrictions on SBRs)
PD - Police Department
PDW - Personal Defense Weapon (a generally compact weapon designed primarily for defensive rather than offensive operations, for example the pistol grip)
PEBCAK - Problem Exists Between Chair And Keyboard (indirect way of saying "user error")
PEBKAC - Problem Exists Between Keyboard And Chair (indirect way of saying "user error")
PIA - Pain In (the) Ass
PIE (as in "I like") - Origins aside (there's a clean and dirty version), it's another version of "I have no meaningful comment on this subject", ala +1.
PITA - Pain In The Ass
PM - Preventative Maintenance
PM - Private Message (see IM)
PMO - Postal Money Order
POA - Point Of Aim
POF - Patriot Ordnance Factory (manufacturer of gas piston AR-15 uppers and rail systems, importer of HK parts from Pakistan Ordnance Factories - website)
POI - Point Of Impact
POS - Pile Of Sh*t
PRI - Precision Reflex Incorporated (website)
PRK - People's Republic of Kalifornia (a name for California that alludes to the state's rather draconian, some would say Communist-like, anti-gun laws)
PRNJ - People's Republic of New Jersey (see PRK)
PRNY - People's Republic of New York (see PRK)
PRS - Precision Rifle/Sniper (a precision stock made by Magpul, adjustable for height and LOP)
PSD - Personal Security Detail/Detachment (a group of security specialists who travel with and provide personal protection for a high-ranking Harris bipod or valuable person)
PWA - Pac West Arms

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AR-15 Acronyms Q- Gun Accessories

Q3131A - M193 ammunition packaged for sale to civilians (may fail to meet some aspect of military standard - see the Ammo Oracle)
QCB - Quick Change Barrel
QD - Quick Detach

RA - Robinson Armament (manufacturer of the M96 and XCR series of piston operated .223 rifles - Glow sticks)
RAS - Rail Adapter System
RBP - RB Precision (retailer of AR-15s and accessories - website)
RDIAS - Registered Drop-In Auto Sear (a DIAS legally registered under the NFA. By itself considered to be a machine gun under the NFA)
RECCE - Reconnaissance (in this context a 16" free floating match barrel upper, ACOG optic, originally used by SEALS)
RINO - Republican In Name Only
RIS - Rail Interface System
RKBA - Right to Keep and Bear Arms
RKI - Reasonably Knowledgeable Individual
RLL - Registered Lightning Link (a LL legally registered under the NFA. By itself considered to be a machine gun under the Gun Accessories )
ROF - Rate Of Fire
ROTFLMAO - Rolling On The Floor Laughing My A$$ Off
RR - Registered Receiver (a receiver, typically for a machine gun, registered under the NFA)
RRA - Rock River Arms (manufacturer of AR-15 rifles - website)
RTFM - Read The Freakin' Manual (substitute for "Freakin'" as desired)

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