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modular
Broadly speaking, modularity is the degree to which a system's components may be separated and recombined, often with the benefit of flexibility and variety in use. The concept of modularity is used primarily to reduce complexity by breaking a system into varying degrees of interdependence and independence across and "hide the complexity of each part behind an abstraction and interface." However, the concept of modularity can be extended to multiple disciplines, each with their own nuances. Despite these nuances, consistent themes concerning modular systems arise.
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View More On Wikipedia.org
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New Geissele MK16 Super Modular Rail
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- For Sale
- $200
- Boise / Meridian
- Idaho
This rail is a new Geissele 15” MK16 rail in black. It came on my Super duty upper and I swapped it for a different rail. It hasn’t had any time at the range or accessories mounted to it. M1913 picatinny rail on top and M-LOK slots on every quadrant. Comes with barrel nut and screws. I’m...- Classified Ad
- Part & Accessory Classifieds
- DIYshooter
- Replies: 0
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Geissele 10" Super Modular Rail MK4 Federal M-LOK® - DDC
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- For Sale
- $300
- Molalla
- Oregon
***pending sale*** This is the same rail used to fullfill contracts for the Federal Bureau of Investigation (FBI). It’s strength, modularity and M-Lok compatibility gives users the capabilities needed to successfully complete the mission at hand. These rails are purpose-built and feature...- Classified Ad
- Part & Accessory Classifieds
- PDXElectrician
- Replies: 0
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BCM® MCMR-9 Modular Rail AR-15 Handguard
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- For Sale
- $12345
- Portland
- Oregon
Pulled this off an upper i got off the forums. Retails for $176, selling for $100. Comes with all the bits. This was one of the tightest fitting handguards ive dealt with yet, wont be one ounce of wiggle once installed!- Classified Ad
- Part & Accessory Classifieds
- HNL2PDX
- Replies: 0
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Geissele Super Precision 30mm Scope Mount and Geissele MK13 Super Modular Rail 13”
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- For Sale
- $150
- Portland
- Oregon
The Super Precision Mount is in perfect condition and the part number is P/N: 05-329. It’s advertised to be for the Vortex Razor/PST gen II scopes but will work for any 30mm scope. - $250 - SOLD MK13 Rail has minimal wear but still in great condition. 13” length and barrel nut included (no...- Classified Ad
- Part & Accessory Classifieds
- Saffir
- Replies: 3
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Voodoo VRS 22” Steel Overland Rack (5.5’ bed - 2007+ Toyota Tundra, Tacoma)
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- For Sale
- $750
- La Center
- Washington
Up for sale is an almost new Voodoo VRS 22" Steel Overland bed rack for a 2007-2021 Crewmax truck (5.5' bed). It is compatible with most tonneau covers on the market - Here's a link to info about covers it works with: https://www.kbvoodoo.com/vrs-tonneau-fitment-guide Local to the greater...- Classified Ad
- Non-Firearm Item Classifieds
- RainMan_PNW
- Replies: 0
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JP MK III Modular Hand Guard 12.5" OAL with 2" rail attachment.
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- For Sale
- $200
- Oregon City
- Oregon
New condition. These cost $225 new plus another $23 for the rail attachment. Get both together for $200 Really cool forearm I personally bought cause I like the style of it and JP makes some great attachments for it. I was thinking of using an JP ARCA attachment on it but decided to go another...- Classified Ad
- Part & Accessory Classifieds
- eldbillbo
- Replies: 0
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Colt LE901 Modular Carbine
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- For Sale
- $2250
- Portland
- Oregon
These are not too common, and are very cool. Essentially Colt’s answer to the SCAR and designed for the military. 7.62 and amazing to shoot. Used and comes with one mag. See link to article... -
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RS Regulate AK-300 Modular Upper Optic Mount (30mm)
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- For Sale
- $70
- Tigard
- Oregon
Lightly used, near complete, missing x2 of the x6 8-32 SS screws. Includes staking pin and 9/64 hex. 30mm for Aimpoints or scopes. Must be used in conjunction with an RS Regulate lower optic mount. $70 cash ftf anywhere from around Tigard to Hillsboro. Add $5 for shipping. I accept most...- Classified Ad
- Part & Accessory Classifieds
- DK47
- Replies: 1
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F5 Modular Stock System
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- For Sale
- $150
- Vancouver
- Washington
Left-side folding and retractable polymer stock cerakoted in FDE. Adapter options include PSA JAK, BRN 180, B&T ACP 9, Stribog SP9, CZ Scorpion, FN Scar, and MP5.- Classified Ad
- Part & Accessory Classifieds
- TwotoneAlCapon
- Replies: 0
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Primary Arms Modular Assault Pack - OD Green
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- For Sale
- For Trade
- $34
- Tigard
- Oregon
This pack is brand new unused. I received the wrong color upon ordering. I’m looking to offload since I have no use for it.- Classified Ad
- Non-Firearm Item Classifieds
- dgleesc
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- Tags
- assault pack backpack modular
- Replies: 0
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Old school Windham Bushmaster Modular Carbine $550
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- For Sale
- $550
- portland
- Oregon
Factory built Bushmaster Modular Carbine, $1400 top of the line back in 2003 when flat tops and quadrails were pie. That's probably $15K in today dollars. Give or take. I'm the original owner and I've had less than 600 through this. Fold down sights ( current rear is a Troy, but it comes with...- Classified Ad
- Rifle Classifieds
- asiparks
- Replies: 7
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Alien Gear ShapeShift Modular Holster System. Core Carry Pack for Glock 26/27 RH
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- For Sale
- $75
- Battle Ground
- Washington
AlienGear modular holster system. ShapeShift Core Carry Pack with Glock 26 or 27 shells for a right handed user. Provides for the ability to swap between OWB belt carry, IWB side and appendix carry. Plus surface/vehicle mounting. Majority of components never used, including the two against...- Classified Ad
- Part & Accessory Classifieds
- guntrunw
- Replies: 0
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OZ9 MODULAR BUILD KIT, COMPACT SIZE, BLACK
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- For Sale
- $300
- Chewelah
- Washington
THE O.Z-9 MODULAR BUILD KIT (MBK) OFFERS COMPLETE CUSTOMIZATION TO BUILD YOUR O.Z-9 FROM THE GROUND UP. The O.Z-9 Modular Build Kit (MBK) offers complete customization to build your O.Z-9 from the ground up. Using compatible ZEV components, you get to pick and choose your ZEV slide, ZEV barrel...- Classified Ad
- Handgun Classifieds
- venturinout
- Replies: 1
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Crimson Trace MVF-515 Modular Vertical Foregrip w/integrated light/laser
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- For Sale
- $140
- Battle Ground
- Washington
Like new Crimson Trace MVF-515 Modular Vertical Foregrip w/integrated light& Laser Mounted on rifle then only used once. With Original box as seen in photos Price - $140 The MVF-515 Red retails new for $479.00 From website: Crimson Trace presents the MVF-515 Red; a revolutionary...- Classified Ad
- Part & Accessory Classifieds
- knightasylum
- Replies: 0
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Modular 2-gun Soft Case ... Sold Pending Arrangements
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- For Sale
- $25
- Oregon City
- Oregon
stock photo... actual photos... SALE PENDING...This is a very well made and substantial case. Brand new, never used. $25, firm, in Oregon City. I know folks want a bargain. I thought at almost 50% off of the new price, this was a bargain. Tell ya what... I'll raise the price to $35, then...- Classified Ad
- Part & Accessory Classifieds
- WAYNO
- Replies: 2
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Condor Modular Operator Plate Carrier
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- For Sale
- $30
- Milwaukie
- Oregon
I have a newish, tired on but never used, Condor Modular Operator Plate Carrier. These retail for around $80. It could be yours for half that price. No rips, stains or odors. Comes from a smoke and pet free house. PM with any questions. No shipping. I’m around the Portland Metro if you would...- Classified Ad
- Non-Firearm Item Classifieds
- Blackjak07
- Replies: 2
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Eberlestock J107 Modular Backpack
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- For Sale
- $225
- Adams
- Oregon
Eberlestock J107 Modular Backpack Eberlestock Super Spike Camp Duffel Eberlestock Scabbard Erberlestock J107 Rain Cover $225 Kim King [email protected] 541-566-2752 home 541-969-9775 cell- Classified Ad
- Non-Firearm Item Classifieds
- kingk
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- Tags
- backpack eberlestock modular
- Replies: 0
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Daniel Defense MFR 9.0 Modular Free Float Rail
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- For Sale
- $125
- Albany
- Oregon
This was purchased, never used, and brand new in the box. Includes everything to install w/barrel nut and tools. It’s compatible with carbines w/low pro gas blocks, or mid length gas systems. Here’s a link to more info: https://www.midwayusa.com/product/1003218293- Classified Ad
- Part & Accessory Classifieds
- 68fastback
- Replies: 0
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3x Sig Sauer branded P365 Magazines for 9mm pistol hold 10 rounds each w/ Crossbreed modular holster system.
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- For Sale
- $100
- Everett
- Washington
These three mags are all Sig Sauer manufactured for the Sig P365 9mm pistol. All three magazines are 10 round capacity, one with a flush fit base plate and two with the pinky extension base plates. The Crossbreed Modular concealed carry holster system includes the Sig P365 custom molded kydex...- Classified Ad
- Part & Accessory Classifieds
- old11bravo
- Replies: 0
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Ruger 10/22 Modular Stock
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- For Sale
- $60
- Renton
- Washington
I have a Ruger modular stock in OD green for the 10/22. Bought this with the intent of ordering the shorter butt pad so I could teach my son how to shoot but never got around to it. As such, I'm selling this so it can go to another home.- Classified Ad
- Part & Accessory Classifieds
- hapyhar0ld
- Replies: 5
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