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iron sight

Iron sights are a system of shaped alignment markers (usually metal) used as a sighting device to assist in the aiming of a device such as a firearm, crossbow, or telescope, and exclude the use of optics as in reflector (reflex) sights, holographic sights, and telescopic sights.Iron sights are typically composed of two component sights, formed by metal blades: a rear sight mounted perpendicular to the line of sight and a front sight that is a post, bead, ramp, or ring. Open sights use a notch of some sort as the rear sight, while aperture sights use some form of a circular hole. Civilian, hunting, and police firearms usually feature open sights, while many military battle rifles employ aperture sights.
The earliest and simplest iron sights are fixed and cannot be easily adjusted. Many iron sights are designed to be adjustable for sighting in firearms by adjusting the sights for elevation or windage. On many firearms it is the rear sight that is adjustable.
For precision applications such as hunting or sniping, the iron sights are usually replaced by a telescopic sight. Iron sights may still be fitted alongside other sighting devices (or in the case of some models of optics, incorporated integrally) for back-up usage.

View More On Wikipedia.org
Recent contents
  1. LE80

    Daniel Defense Rock&lock Rail Mounted sight set

      1. For Sale
    • $125
    • Vancouver
    • Washington
    Daniel Defense , great iron sights
  2. ScottInPDX

    New Production Lyman 57 SMET

      1. For Sale
      2. For Trade
    • $50
    • Tualatin
    • Oregon
    New production and unfired. Previously mounted on a sporterized M1917. I realized that it blocked the stripper clip guides before taking it to the range, so I've put a different sight on that rifle and don't need this one anymore. I had to cut a few millimeters off the screws to allow the bolt...
  3. BrandonM92

    Magpul MBUS Front and back

      1. For Sale
    • $60
    • McMinnville
    • Oregon
    Never used,They came with the upper I bought and don't need them.
  4. B

    Magpul pro sights trade for protac

      1. For Trade
    • Eagle
    • Idaho
    Have a set of Magpul pro iron sights want to trade for a streamlight protac
  5. Booger_Hook

    Scalarworks PEAK rear fixed iron sight

      1. For Sale
    • $90
    • Sherwood
    • Oregon
    Like the title says. Peak 01 1.57" Rear fixed iron sight. Torx bit included. Mounted and removed. https://scalarworks.com/iron-sights/ website for specs. $90. Only selling because I run a high optic mount which causes the view to be blocked and basically useless for my needs. My loss your gain.

  6. Scalarworks Peak iron sight (Rear)

      1. For Sale
      2. For Trade
    • $75
    • Tualatin
    • Oregon
    Best fixed iron sights on the market (IMO). https://scalarworks.com/shop/iron-sights/peak-01/ Basically new. May show minor wear from install. Took off because they no longer co witness due to the fact I went with a Unity Fast Mount for my Eotech. MSRP $129.00 T25 bit is included. $75.00...
  7. tmanhawk

    Geissele Standard Lower Parts Kit

      1. For Sale
      2. For Trade
    • $95
    • Vancouver
    • Washington
    Brand new never installed. Not going to use them for builds anymore. The Geissele Standard Lower Parts Kit includes all the internal parts necessary to complete or rebuild your lower receiver. This quality mil-spec kit features an improved safety detent and specially designed Posi-Lock safety...
  8. Roymil666

    Magpul MBUS PRO Offset Sights

      1. For Sale
    • $155
    • AURORA
    • Oregon
    Here's the deal. I ordered a set of these for my nephew and he decided he wants left handed specific sights instead. It'll cost too much to return them so I'll post em up here for what I paid and include free shipping as well. These are BNIB. $155 w/ free shipping. **These are still in transit...

  9. Aftermarket Glock parts Haley Strategic/Kagwerks

      1. For Sale
    • $60
    • Tualatin
    • Oregon
    All parts are in great condition and tritium still glows bright. If you want all (3) items I’ll sell for 150.00 otherwise prices are listed. Links listed for more info on products. Haley Strategic 13 iron sights for standard Glock (blacked out rear/tritium front) Retail 99.00 asking $60.00...
  10. OregonSig

    Magpul MBUS flip up sights

      1. For Sale
    • $50
    • Eugene
    • Oregon
    Selling a complete set of Magpul flip up back up sights. Attaches to picatinny rail. Adjustment tool for front sight included. $50 for everything.
  11. G

    Marble Arms Ghost-Ring Sight (Dovetail Mount)

      1. For Sale
      2. For Trade
    • $25
    • Portland
    • Oregon
    I bought this Marble Arms sight to throw on a little Henry .22lr lever gun, but never got around to it. It's the short version (1.75"?). Have since decided that my old eyes need an optic. Cool concept that I'm sure would help with accuracy if you shoot irons. Brand new, never mounted. I...
  12. Kzimm

    New magpul flip-up sight set

      1. For Sale
      2. For Trade
    • $60
    • Canby
    • Oregon
    New black magpul flip-up sight set

  13. Knights rear flip up iron sight

      1. For Sale
      2. For Trade
    • $80
    • Tualatin
    • Oregon
    Knights rear flip up iron sight. 200-600 meters.
  14. Mjb9164

    Magpul MBUS pro front sight

      1. For Sale
    • $70
    • Tacoma
    • Washington
    Hello, I have a brand new, still in the box, Magpul Mbus pro front sight. Went a different direction with my current build so I'll let this go. I paid 80 + tax. Yours for 70. If you're interested message me or call/text Marcus 253-331-32 three three. Thanks
  15. RobMa

    A.R.M.S. 40L-F Front sight (NEW) price drop

      1. For Sale
    • $120
    • Seattle
    • Washington
    A.R.M.S. 40L-F Rail Mounted Flip-Up Front Sight This is a brand new sight, never mounted. In great condition and would make a great addition to any ones rifle set up. I take PayPal friends and family. Shipping OK, buyer pays shipping $4.99 No face-to-face request please. No trade request please.
  16. RobMa

    New A.R.M.S. #38 swan sleave (extended) "Price drop!"

      1. For Sale
    • $155
    • Seattle
    • Washington
    New A.R.M.S. #38 swan sleave (extended) This comes with a built in A.R.M.S. rear iron sight. Great for protecting you reciever rail and has extra room for mounting accesories. Sight works the same as any standard height sight so no risers are needed for the front sight during failsafe usage in...
  17. RobMa

    New Matech -Army Standard-Issue Backup Sight For M4/M16A4- price drop

      1. For Sale
    • $79
    • Seattle
    • Washington
    Matech -Army Standard-Issue Backup Sight For M4/M16A4- This sight is in incredible condition, it comes with the forward controls retro clamp kit pre-installed. I take PayPal friends and family Shipping ok, shipping $2.99 No trades please No f2f please Blurb from brownells: Current U.S. Army...
  18. GreenBean

    Glock trijicon suppressor sight

      1. For Sale
      2. For Trade
    • $50
    • Clackamas
    • Oregon
    Glock suppressor trijicon sights. Perfect for RMR 2 years old. Do not have original box
  19. P

    Liquidation Sale of AR Parts and Equipment, Almost Everything $10

      1. For Sale
      2. For Trade
    • Kirkland
    • Washington
    Goodies and pictures for each listed below, most are brand new: Standard Milspec A2 Grip ($10) Hogue/Ergo grip with storage ($10) Magpul VFG Gen 2 FDE ($20) Fixed lower 1/3 height iron sight ($10) Pair of scope/flashlight mount ($10) 45 degree offset rail ($10) Battlelink QD sling adaptor for...
  20. P

    Liquidation of AR parts - almost all $10

      1. For Sale
      2. For Trade
    • Kirkland
    • Washington
    See list or pictures below, everything is for sale. Most items are new or like new, make offer or see price for reference. Items: Standard Milspec A2 Grip ($10) Hogue/Ergo grip with storage ($10) Magpul VFG Gen 2 Black ($20) Magpul VFG Gen 2 FDE ($25) SB Tactical PDW Pistol Brace ($160) Fixed...
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