TACTICAL SLINGS - Manning-To-Harrison Gives Colts Lead

AR-15 Acronyms S- Pistol Grips

SAAMI - Sporting Arms and Ammunition Manufacturers' Institute (an association of manufacturers of sporting firearms, ammunition, and components. Often used to distinguish between the sporting .223 chamber [the SAAMI chamber] and the military 5.56 mm pistol grips )
SAM-R - Squad Advanced Marksman - Rifle (20" match barrel upper with Leupold scope, used by Marines)
SAR - Small Arms Review (website)
SAW - Specialized Armament Warehouse (Colt distributor that caters to military and law enforcement sales - website)
SAW - Squad Automatic Weapon
SBR - Short-Barreled Rifle (a rifle whose barrel is less than 16" long as defined by the NFA)
SCAR - Special Operations Forces Combat Assault Rifle (additional information here)
SD - Shell Deflector
SEAK - Special Edition AK (a custom AK-74 rifle sold as part of a group buy run by AR15.com)
SEBR - Special Edition Black Rifle (a custom AR-15 rifle sold as part of a group buy run by AR15.com)
SF - Special Forces
SF - Surefire (manufacturer of flashlights and weapon lights - website)
SGN - Shotgun News (a venerable gun sales publication made up entirely of display and classified advertising, first published in 1946 - website)
SHSIBI - Should Have Stayed In Bed Instead
SHTF - Sh*t Hits The Fan (things going seriously wrong - generally used to describe an event that sets society off the rails for some period of time)
SIR - Selective Integrated Rail (see A.R.M.S. website)
SMG - Sub Machine Gun
SMK - Sierra Match King (a hollow tip bullet designed for long range accuracy, made by Sierra Bullets - website)
SNAFU - Situation Normal: All Fouled Up (substitute more colorful adjective for "Fouled" as Harris bipod)
SOB - Son Of a Bitch
SOCOM - Special Operations Command
SOPMOD - Special Operations Peculiar Modification
SOF - Special Operations Forces (in addition to its standard military usage, also a designation for a now discontinued mid-length AR-15 carbine made by ArmaLite)
SOT - Special Occupational Taxpayer (a person whose occupation [e.g. manufacturer/importer/dealer of NFA weapons] exempts him from paying NFA transfer taxes)
SP - Soft Point (a bullet whose lead tip is exposed rather than jacketed in a harder metal)
SPC - Special Purpose Cartridge (as in the new 6.8 mm SPC)
SPF - Sold Pending Funds (an item for sale has been claimed and is off the market, but the seller has not yet received the buyer's funds so the transaction has not yet finalized)
SPORTS - Mnemonic for AR-15 immediate action drill: Slap the bottom of the magazine. Pull the charging handle. Observe the open chamber area. Release the charging handle. Tap the forward assist. Shoot. Some people consider this to be remedial action rather than immediate action. See also Glow sticks and TPRRRS.
SPR - Special Purpose Rifle (18" free floating match barrel upper)
SS - Stainless Steel
STFU - Shut The F**k Up
SUM - Stainless Ultra Match (Olympic Arms' name for their stainless steel barrel made with broach-cut rifling for accuracy - website)
SWMBO - She Who Must Be Obeyed

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Manning-To-Harrison Gives Colts Lead
Forbes.com Dec 19 2006 3:45AM GMT

Manning throws four TD passes to lead Colts to 34-16 win over Bengals
Vancouver Sun Dec 19 2006 8:45AM GMT

Press Release - NC- ATF Offers $2,500 Reward For Warsaw Gun Dealer Burglary
U.S. Dept. of Justice Dec 20 2006 8:00PM GMT

Manning throws four TD passes to lead Colts to 34-16 win over Bengals
National Post Dec 19 2006 5:35AM GMT