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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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National Just in: FBI NICS E-Check System Messages - enhanced background check process for persons between the ages of 18-20
ATTENTION As a result of the passage of the Bipartisan Safer Communities Act (BSCA) of 2022, signed into law on June 25, 2022, the NICS Section has been working towards the implementation of an enhanced background check process for persons between the ages of 18-20. The enhancement provides the...- Discussion Thread
- Firearm Laws & Legal
- Dust2Dollars
- Replies: 8
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Pre Owned: Barrett Mk22 MOD 0 Advanced Sniper Rifle System .308 Win, .300 Norma Mag, .338 Norma Mag
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- For Sale
- $17000
- Newberg
- Oregon
Fresh on Consignment! Barrett Mk22 MOD 0 Advanced Sniper Rifle System .308 Win, .300 Norma Mag, .338 Norma Mag The winner of the $50 million USSOCOM Sniper Rifle Contract, the Barrett Mark 22 Advanced Sniper Rifle now sits at the tip of the spear of US military might. Based on Barrett’s Multi... -
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Shadow System DR920 Elite $750 Free Shipping
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- For Sale
- $750
- Mont Vernon
- Other
Factory new Shadow System DR920 elite, optic ready(not included) with all originally supplied psrts and accessories. Never fired. Must ship to your FFL. Asking $825 Stock photo attached, additional pics available for any interested buyer.- Classified Ad
- Handgun Classifieds
- felix5616
- Replies: 4
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ITarget Pro Laser DryFire System 9mm 45acp
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- For Sale
- $70
- Portland
- Oregon
ITarget Pro Laser DryFire System with 2 laser bullets 9mm and 45acp with spare batteries. Lightly used during pandemic, now back to the range. . Please look online for questions https://www.itargetpro.com/ Can ship USPS on your cost.- Classified Ad
- Sight, Scope, & Optic Classifieds
- ktgee
- Replies: 0
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WTT: Stereo system for rifle
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- For Trade
- Lake Grove/Lake Oswego
- Oregon
I have an older stereo system that I would like to trade for a rifle. .22 or whatever else you might have. The system has: amplifier tuner cd player cassette player 2 very large speakers All work well. Cash value is $125 to $175.- Classified Ad
- Non-Firearm Item Classifieds
- TJ304
- Replies: 0
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Brake Job, rotors, pads, flush system: Any Recommendations? (PDX)
I'd like to specify, or supply, the parts used. Specific experiences appreciated. Thank you, -
Grayguns SIG Sauer P-Series Custom Strut System – P226, P229
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- For Sale
- $55
- Oregon City
- Oregon
For Sale is a Used Grayguns SIG P-Series Custom Strut System – P226, P229. I do not have the blue spring for this kit. (Blue Spring has been found. This kit is complete now.) From Grayguns"The Grayguns Custom Strut System fully supports the main spring, reducing friction, spring bowing, and...- Classified Ad
- Part & Accessory Classifieds
- IronSites2NS
- Replies: 0
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Del-ton Echo 308 16” Heavy Barrel w/Gas System and Handguard
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- For Sale
- For Trade
- $100
- Canby
- Oregon
Hey guys! Absolutely nothing wrong with any of this! Barrel has about 200rds through it! Ran like a sewing machine! I rebarreled the rifle with a 13.5” barrel and new handgaurd so I don’t need this. Comes with everything in pic $100 Or trade for 308 ammo- Classified Ad
- Part & Accessory Classifieds
- dustinblackman82
- Replies: 1
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One of a kind Shadow System MR920
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- For Sale
- For Trade
- $900
- Hillsboro
- Oregon
Selling my one of a kind MR920, the lower is a brand new black shadow Systems frame, slide is a brand new unfired Shadow System Damascus combat that is optic ready with front night sight and blacked out rear sight. Back story, I bought two Shadow Systems, a Damascus and an MR920L, I swapped...- Classified Ad
- Handgun Classifieds
- Devin2955
- Replies: 2
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Complete setup - Mantis Blackbeard & X10 elite shooting system
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- For Sale
- $375
- Eugene
- Oregon
Posting this for my father in law as he doesn't (hasn't?) used it Like new condition Mantis X10 Elite, Mantis Blackbeard AR-15 re-cocking device, multiple laser targets and two target mounts, and universal magazine pic rail mounts incase your gun doesnt have a pic rail. Full setup to run the...- Classified Ad
- Part & Accessory Classifieds
- Asavage270
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- Tags
- blackbeard mantis shooting system
- Replies: 1
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Sale Pending Funds//// Dillon Precision Powder Check System with Powder Die
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- For Sale
- $50
- Vancouver USA
- Washington
Dillon Precision Powder Check System with Powder Die Everything works as it should. Battery included, not installed. $50 FTF Fishers Landing Fred Meyer on se 164th Av East Vancouver ///// Or if we can meet up when I'm out and about I like to make easy if I can. Will ship at cost... USPS Small...- Classified Ad
- Reloading Supply Classifieds
- misterarman
- Replies: 0
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Devil dog side charging handle system
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- For Sale
- $70
- Vancouver
- Washington
Selling my devil dog side hard charger for ar-15 Asking 70$ obo Tnx! https://devildogconcepts.com/product/hard-charger-black-anodized/- Classified Ad
- Part & Accessory Classifieds
- An2knee
- Replies: 0
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6.5 CM upper, 22" barrel rifle length gas system
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- For Sale
- For Trade
- $350
- Vancouver
- Washington
Davidson defense upper with palmettostatearmory.com 22" heavy straight fluted barrel, mlock handguard, sadlak adjustable gas block. $350 With nickle bcg and charge handle $475 Will include whatever ammo is left in my 6.5 cm tote. Or trade me just the barrel for your .308, or .243 barrel...- Classified Ad
- Part & Accessory Classifieds
- matts
- Replies: 2
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Sig P226 DPM Recoil Reduction System
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- For Sale
- $60
- Oregon City
- Oregon
For Sale is a lightly used Sig Sauer P226 Recoil Reduction System by DPM. Can be used with 9mm/.40 S&W/.357 Sig. Cash Only. I will ship USPS for an extra $5.- Classified Ad
- Part & Accessory Classifieds
- IronSites2NS
- Replies: 0
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Sale Pending Funds /// Dillon Precision Powder Check System with Powder Die
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- For Sale
- $60
- Vancouver USA
- Washington
Dillon Precision Powder Check System with Powder Die [not pictured] $60 FTF Fishers Landing Fred Meyer on se 164th Av East Vancouver ///// Or if we can meet up when I'm out and about I like to make easy if I can. Will ship at cost... USPS Small Flat Rate Priority $9.45. I do DISCREET PayPal...- Classified Ad
- Reloading Supply Classifieds
- misterarman
- Replies: 1
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AR-15 Gas System For A 10.5" 300 Blackout Suppressed Build
I'm planning a 300 Blackout Build using a 10.5" barrel with a pistol length gas port. This will normally be shot with a suppressor. I would be shooting subsonic and supersonic ammo depending on what I was doing. I'm trying to decide on a gas system and would like feedback from those who have...- Discussion Thread
- Semi-Automatic Rifles
- 3MTA3
- Replies: 9
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FS-Streamlight TLR RM2 rail mounted lighting system
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- For Sale
- $130
- Oregon City
- Oregon
$130.00 cash sale for a Streamlight TLR RM2 light package. Includes everything in the original retail package. Never mounted; since wasn’t the direction I decided to go with. Specs from Amazon: High power LED for extreme brightness. High Lumens: 1,000 Run Time: 1.50 hours Beam Distance: 200...- Classified Ad
- Part & Accessory Classifieds
- OtherGuy
- Replies: 0
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Shadow System MR920 Damascus with 508t g
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- For Sale
- For Trade
- $1000
- ROSEBURG
- Oregon
Here it is unfired, mr920 Damascus threaded Barrel. Holosun 508t Green on top. This is my dream pistol here just picked it up and had some medical stuff come up so toys have to go. Pistol was 1169 Holosun was 369 I will let the package go for 1275. Makes me sick to let it go but life happens -
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Liberty Safes SafElerts - Safe Monitoring System
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- For Sale
- $50
- Seattle
- Washington
Used this for a few years but bought another system recently and no longer need this. The plug for the antenna came loose from the wire. I secured it with some electrical tape. Worked fine but you might want to redo it or perhaps solder it back together properly. On my older (thinner) safe, I... -
