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pinned

In chess, a pin is a chess tactic in which a defending piece cannot move without exposing a more valuable defending piece on its other side to capture by the attacking piece. Moving the attacking piece to bring on the pin is called pinning; the defending piece so restricted is described as pinned. Only pieces that can move an indefinite number of squares in a horizontal, vertical, or diagonal line (i.e. bishops, rooks, and queens) can pin. Kings, knights, and pawns cannot pin. Any piece can be pinned except the king, since the king must be immediately removed from check under all circumstances. It is like a skewer, but in a skewer, the more valuable piece is the one under direct attack.

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Recent contents
  1. HighLine

    New: Spikes Rarebreed Crusader 14.5" Pinned

      1. For Sale
    • $1777
    • Newberg
    • Oregon
    Just in! Spikes Tactical RareBreed Crusader Rifle 14.5" Chrome Lined Barrel with a 1:7 Twist 16" Overall Barrel Length with Pinned and Welded R2 Muzzle Brake M4 Feed Ramps Mid Length Gas System Crusader Billet 7075 T6 Aluminum Flat Top Upper Receiver Crusader Helmet Billet 7075 T6 Lower...
  2. Aero Denezol

    ***SOLD 3-20*** Clipped and pinned HK lower (HK33 Thai/Malaysia) FREE SHIP

      1. For Sale
      2. For Trade
    • $80
    • Salem
    • Oregon
    Done a manual mill, not a dremel. Test fit on a Century C93, works great. Asking $80 + FREE SHIP in the PNW Cash, check, or PayPal Friends and Family. Would also trade for .243, 45 ACP, or .223/5.56x45 If there’s interest I might make a few more of these.
  3. S

    Spike's FN 16" 5.56 1/7 BARREL W/ PINNED MID-LENGTH LPGB

      1. For Sale
    • $140
    • Lake Oswego
    • Oregon
    New Spike's Tactical Cold Hammer Forged by FN lightweight profile. Chrome lined, magnetic particle inspected (MPI) and high pressure tested (HPT) with M4 feed ramp cuts. The barrel has a .625 lo-profile factory pinned gas block included. $140
  4. J

    Rainier Arms 14.5 pinned and welded Silencerco SPECWAR.

      1. For Sale
    • $1400
    • Bonney Lake
    • Washington
    mid length gas system comes with light and Steiner P4XI... Geissele rail, streamlight protac. This is their CHF mountain Series Nickel boron rainier Arms BCG.. Will trade for a KAC SR15 mod 1 or 2, or maybe other gear. And of course cash... Make an offer 1400
  5. Tack_Ryan

    WTS/WTT OR  Faxon Firearms 5.56 14.5 Pinned Flash Hider Pencil Barrel with Gas Block and Tube

    SOLD For sale is a 14.5 1:8 twist mid length Faxon Firearms pencil barrel which has been pinned and welded from the factory with a three prong flash hider to bring it up to the legal 16" requirement. It is nitrided for durability and only weighs 19.6 ounces. I'm also including a Faxon...
  6. Tack_Ryan

    WTS OR  Faxon Firearms 14.5 Match Grade Mid Gas Gunner Pinned and welded complete upper

    SOLD For sale is a light weight 14.5 pinned and welded Faxon Firearms Match Grade .223 Wylde, 1/8 twist, mid length gas, 5R rifling, 416r stainless, nitride treated, complete upper. The barrel is the perfect combination of a being thicker in the rear for more rigidity and slimmer out front...
  7. S

    WTS WA  S&W 19-3 4" blued pinned and recessed 1972

    Older blued Smith & Wesson model 19 .357 Magnum with a 4-inch pinned barrel and recessed chambers. Date of manufacture (confirmed by S&W) is 1972 (serial no. 2K694XX). Minor wear. Tight with good timing -- this was probably carried a lot and shot little, with a mostly .38 Special diet. White...
  8. Mark

    WTB OR  BCM 14.5" pinned M4 SOCOM Upper receiver kit (or others...)

    Also looking for a Geissele URGI Upper receiver kt or DD M4 RIS II Upper kit 14.5" pinned Obviously won't pay retail as theyre in stock and on sale currently...
  9. Liberty19

    WTS OR  DD 14.5 URGI barrel w/ DDC Geissele MK8 and pinned surefire warcomp

    The barrel is the Daniel Defense 14.5 fresh off of a brand-new Geissele usgi upper. It also comes with the pinned and indexed black nitride Geissele gas block. These parts all go together as the other device is pinned and welded. $530 Complete upper is ALSO for sale minus the optic. Price...
  10. Vavrespa

    WTS WA  Aero Precision 11.3" M16A4 Special Edition w/ Pinned Gas Block (BA Hansen) & 1-8x Optic

    SOLD.
  11. aljames

    WTS OR  PSA 14.7" CHF Lightweight 6.8 SPCII 13.5 M-Lok Pinned and welded $375

    SOLD Reduced again and I removed the BCG from the equation so this ad is for just for the barreled upper shown in the pictures. I bought this new complete barreled upper with BCG from PSA. FN sourced 14.7" 1-11" twist Cold hammer forged barrel with mid length gas system and standard A2 flash...
  12. D

    WTS OR  BCM complete upper 14.5 pinned

    I bought this about 8 years ago and never built it into a rifle. Unfired! Bravo Company factory built upper with factory pinned A2X. Really nice upper with bright T-markings. This is from the heyday of BCM quality. I believe it is better than just about any current offering. $340 Let me...
  13. Armitage444

    WTS WA  S&W Model 13-2 .357 Magnum, pinned and recessed

    Truck needs a new head gasket, so unfortunately have to sell this beauty. The gun is in excellent condition with tight lockup and impeccable finish with only very minor signs of use. It appears to have been handled little before I bought it, and I've only put about a hundred rounds through it...
  14. Liberty19

    WTS OR  NEW Ballistic Advantage. 750 pinned lo pro gas block W/pin

    Brand new take off my hanson barrel. $20
  15. Dylan Tyler

    WTS OR  SLR 14.5 Pinned (complete)

    Looking to sell my SLR rifle. This isn't a low quality or cheap build. Parts List: -SLR Billet receiver set (No FA) -13.7" SLR Solo Hybrid Keymod Rail -BCM Angled Grip -14.5" BA Hanson Barrel w/ pinned AAC 51T Breakout Compensator -Radian Raptor CH -Fail Zero BCG -Magpul SL Stock -Milspec...
  16. O

    WTS/WTT OR  1976 S&W Model 60, pinned barrel, with box

    A very nice S&W Model 60 snub. 1976 with pinned barrel, original box and accessories. Only interested in older pre-lock S&W revolvers, or cash. Thank you. SOLD
  17. eldbillbo

    Spikes Tactical M4 Barrel With factory pinned FSB Chrome lined

      1. For Sale
    • $185
    • Oregon City
    • Oregon
    This is a Spikes tactical barrel with factory pinned FSB it is Chrome lined 1/7 twist It was sold to me from a dealer as new but appears to have been test fired. it is missing the front site post assembly The shine you see on it is just glue for the sticker that was on it. $185 spikes 2 by...
  18. Liberty19

    WTS OR  16" DD midlength chf gov't 1:7 w/DD pinned gas block and midlength gas tube.

    $195 New take off
  19. B5Ben

    Hardened Arms Stingray pinned and welded...$700

    Hey all, Just saw this the other day and couldn't pass it up. I couldnt find any reviews on the suppressor, but a majority of their other product reviews say pretty great things. AR15 Stingray (TM) Stainless Steel 5.56 Suppressor
  20. E

    WTS/WTT WA  BALLISTIC ADVANTAGE 8.3 300BLK AAC - PREMIUM SERIES 5R - PINNED GAS BLOCK - 416R STAINLESS

    BALLISTIC ADVANTAGE 8.3 300BLK AAC - PREMIUM SERIES 5R - PINNED GAS BLOCK - 416R STAINLESS PM for communication please. First one to post "I'll take it" in this thread gets the item. Payment via USPS MO or PayPal +3.5% No gift payments accepted Some trades I'm interested in are: 300blk...
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