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system

A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and expressed in its functioning. Systems are the subjects of study of systems theory.

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Recent contents
  1. DCBUS

    MDT LSS XL Gen2 Chassis System Remington 700 LA Chassis Only FIXED (New)

      1. For Sale
    • $499
    • Bend
    • Oregon
    Special Note: This is a true Modular Driven Technology (MDT) chassis. MDT made a OEM production for "Bad Rock", that is why the logo on the chassis says "Bad Rock". This item is brand new. Increase accuracy and ergonomics of your rifle with our LSS-XL GEN2 chassis system. The LSS-XL GEN2 is a...
  2. cooperritchey

    Daniel Defense MK18 Rail Interface System II, RIS II (Black)

      1. For Sale
    • $350
    • Oregon city
    • Oregon
    I only have 200 rounds shot with this rail. I bought a new DD RIS 2 hardware pack to go with it. selling for 350.00
  3. gregfisher

    Lipsey Edition Shadow System XR920

      1. For Sale
    • $950
    • Hillsboro
    • Oregon
    Fired about 100 round, Lipsey Edition, Limited Series, Camo Slide, Shadow System XR920, 4", Gen 3, Night Vision Front Night Sight, Blacked out serrated rear sight, Optic Cut, Optic ready, SKU: SS-2024-SC. Comes with 2 FDE 17 round magazines. Original Box and papers included. No sales to...
  4. D

    Shadow System MR920 combat

      1. For Sale
      2. For Trade
    • $650
    • Dayton/Wilsonville
    • Oregon
    MR920 with threaded barrel 9mm comes with original box and accessory. Price is OBO open to trade for the following. Ruger GP100 in 357 must be a 2.5-3" barrel S&W 686 or other 3" 357 Taurus Judge/ S&W Governor in the short barrel configuration 16" lever action in 357, no brass receivers...
  5. DangerDog

    Armaspec SRS Gen3 3.8oz AR15 buffer

      1. For Sale
    • $40
    • Marietta
    • Other
    Lightly used. Works fine. No trades. $40 shipped, Continental United States only. PayPal, Cashapp, Venmo. Message me here, or faster comms TEXT me at 740six2five33O1. I don't care what time of day it is; you can text me whenever.
  6. T

    Sun Pure Countertop Water Filter System - Tigard, OR

      1. For Sale
    • $350
    • tigard
    • Oregon
    Selling a Sun Pure Water Filter system. This is a COUNTER TOP 3 STAGE CARBON FILTRATION SYSTEM. It is in excellent working condition. MADE IN THE USA It also comes with TWO brand new filter sets (3 stage filters). 1 of them is already installed in the system. The other is in the pictures.. It...
  7. aljames

    Sig P220 Springco recoil reduction system

      1. For Sale
    • $30
    • Grants Pass
    • Oregon
    I got this with a used Sig P220 [American]. Comes with slide bushing as shown. I sold the sig so this needs a new home. I'm not sure if its the heavy spring model or regular. I tried to price it accordingly. These are are $85 new. Hows about $30 shipped? The first I'll take it gets the...
  8. slimmer13

    If your wait is extended because of the NICS system, call them

    I submitted a form 4 on 03/20 after hearing about the shortened wait times. A couple weeks ago I emailed the ATF inquiring as to my status and was told they were waiting for my approval through NICS. A friend sent me this link to a thread on ARFcom...
  9. D

    ABC Rifle Company AR-308 13.5" Mid-Length Gas System Barrel

      1. For Sale
      2. For Trade
    • $100
    • Canby
    • Oregon
    I had bought this barrel to mock up my build until my Faxon barrel came in. Still nice and shiny and ready for your build. New on ABC's site they are $129.99 Asking $100 Firm Willing to ship - Shipping price TBD
  10. gregfisher

    Shadow System XR920 Elite Lipsey Limited Edition FDE,

      1. For Sale
      2. For Trade
    • $850
    • Hillsboro
    • Oregon
    Shadow System, XR920 Elite Limited Edition, Flat Dark Earth Ceracoat/Black 17+1, Optic Ready, 9mm, Model SS-3024, 4" barrel, Flat Face Aluminum Trigger, Green Tritium front sight, black rear sight, Spiral Fluted black barrel, MSRP was $1,164 through Lipsey's Catalog. No longer available. Total...
  11. B

    Identicator DIGIT 10 inkless fingerprinting system

      1. For Sale
    • $300
    • Tigard
    • Oregon
    Hi, I'm selling my Identicator DIGIT 10 inkless fingerprinting system. It is used, but still in great shape and comes with an extra inkless pad, Extra developer sheets, and most of a box of retabs, aprox. 400 tabs. Comes with its own carrying case also. price is $300 as the brand new one are...
  12. mikeh240

    JP ENTERPRISES A2/M4 Adjustable Gas System

      1. For Sale
    • $100
    • Salem
    • Oregon
    Looking to build a sweet A2 build but also want an adjustable gas block? Save money and buy this one. Never installed. "went a different direction" Machined out of a single piece of aluminum, this thing is awesome, it feels great in the hand. Unfortunately, It is not compatible with the...
  13. B

    New Franklin Armory binary trigger system for EVO 3 carbine or pistol

      1. For Sale
    • $250
    • Milwaukie
    • Oregon
    OK, so this was purchased Brand New .. I very stupidly thought I would switch out the trigger with the original trigger When I did this, I push something wrong and the disconnect spring popped up. I am old and I cannot see well enough to get it back into place so that is the reason this brand...
  14. Yarome

    Eve security camera paint/pepperball system - Kickstarter

    Interesting! A home security camera with infrared, night vision, AI facial/pet recognition, target tracking and shoots paintballs/pepperballs to mark targets as a deterrent as well as for easier LE identification. The kickstarter has begun and some early bird specials up to 40% off.. which is...

  15. 16 inch Adams Arms P-1 Complete piston upper with adjustable gas system

      1. For Sale
    • $350
    • Dundee
    • Oregon
    I have a slightly used Adams Arms P-1 Complete piston upper that I am selling for $350. It's selling for over $500 on most sites that have it and it's over $600 on the Adams Arms website. I have only shot a few rounds through it and it's extremely smooth. I can meet you half way if needed. Thank...
  16. rperro

    Scout Mount Handguard Rail System for Ruger Mini-14

      1. For Sale
    • $100
    • Portland
    • Oregon
    Mini-14 rail system from Amega Mounts. Fits pre-580 series Mini-14 rifles only. Includes: 1 Mini-Scout-Mount 14 upper handguard rail 2 long picatinny accessory side rails 1 short picatinny accessory side rail 1 detachable sling mount kit with a bonus detachable sling swivel All the mounting...
  17. ktzdaman

    KAGE Compensator System for Colt Python

      1. For Sale
      2. For Trade
    • $200
    • Hillsboro
    • Oregon
    Installed it on my 6" and just wasn't a fan. Never shot. Missing one of the 8 screws for the sides (4 on each side) :( Looking for trades. Interested in: surefire turbo lights, hk handguns, p320 parts, p365 parts, staccato, eotech exps 3-0, eotech magnifiers, aimpoint, unity risers, Adamas...
  18. Knifejunkie

    TUSK Helmet Light System

      1. For Trade
    • $223
    • Rainier
    • Oregon
    TUSK Helmet Light System up for trade. Like new in the box complete with all wiring and mounting hardware, hell I even still have the instructions! Glock stuff, AR stuff, multicam stuff, bump cap, ammo...🤷🏼‍♂️ Don't really know what I want, so what do you got? DM offers to keep a clean thread.
  19. C

    Ultra cool oil cooler system for Harley. Price reduced.

      1. For Sale
    • $225
    • dallas
    • Oregon
    Ultra cool Fan assisted oil cooler system for 1999-2008 FLH frames, Road king, Etc. New in box never used. Model rf-1f flat black. $225 cash only. cheapest online is $450. text 503-586-6162 for pics or further correspondence.
  20. T

    Recommendations for video-audio security system?

    Where you can see the activity and hear the activity as well; maybe able to talk through the system? thx.
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