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plate
Plate tectonics (from the Late Latin tectonicus, from the Greek: τεκτονικός "pertaining to building") is a scientific theory describing the large-scale motion of 7 large plates and the movements of a larger number of smaller plates of the Earth's lithosphere, over the last hundreds of millions of years. The theoretical model builds on the concept of continental drift developed during the first few decades of the 20th century. The geoscientific community accepted plate-tectonic theory after seafloor spreading was validated in the late 1950s and early 1960s.
The lithosphere, which is the rigid outermost shell of a planet (the crust and upper mantle), is broken up into tectonic plates. The Earth's lithosphere is composed of seven or eight major plates (depending on how they are defined) and many minor plates. Where the plates meet, their relative motion determines the type of boundary: convergent, divergent, or transform. Earthquakes, volcanic activity, mountain-building, and oceanic trench formation occur along these plate boundaries. The relative movement of the plates typically ranges from zero to 100 mm annually.
Tectonic plates are composed of oceanic lithosphere and thicker continental lithosphere, each topped by its own kind of crust. Along convergent boundaries, subduction carries plates into the mantle; the material lost is roughly balanced by the formation of new (oceanic) crust along divergent margins by seafloor spreading. In this way, the total surface of the lithosphere remains the same. This prediction of plate tectonics is also referred to as the conveyor belt principle. Earlier theories, since disproven, proposed gradual shrinking (contraction) or gradual expansion of the globe.
Tectonic plates are able to move because the Earth's lithosphere has greater strength than the underlying asthenosphere. Lateral density variations in the mantle result in convection. Plate movement is thought to be driven by a combination of the motion of the seafloor away from the spreading ridge (due to variations in topography and density of the crust, which result in differences in gravitational forces) and drag, with downward suction, at the subduction zones. Another explanation lies in the different forces generated by tidal forces of the Sun and Moon. The relative importance of each of these factors and their relationship to each other is unclear, and still the subject of much debate.
Forward Controls Design (FCD) plate for a Glock MOS. RMR footprint.
https://www.forwardcontrolsdesign.com/OPF-G-RMR_p_224.html
Asking $50
May trade for a Streamlight TLR7-A plus cash on my end.
I have a pretty much new set of AR500 Armor plates by CATI
Swim cut, multi curve front plate
SAPI cut, multi curve back plate
Sat in a vest, never saw the light of day.
$200
cash only ... trying to fund other projects ... not interested in low ball offers. (this is cheaper than you can buy...
SOLD - Lightly used Safariland / Second Chance Oregon City Carrier, size 2516-2217.
Safariland size chart can be confusing, I generally fit size large t-shirts, vest will accommodate +/- by quite a lot with the shoulder length and cummerbund both being highly adjustable. Accepts soft armor...
For Sale is 2 RMA level IV Ceramic plates (Model #1155)
They are 8 lbs each, standard size (12 inches) SAPI cut.
Selling because I bought new plates that are lighter.
100$ cash for both, they are in flawless condition.
MUST meet in Tigard/Beaverton/Sherwood.
Brand new tritium rear sight plate assembly that’ll work with SIG P320 / M17 / M18. This includes the two native screws needed to mount from underneath the slide.
Price includes shipping. I take Venmo, Apple Pay or PayPal F&F. Cheers!
Excellent condition. Ranger green color. Newest generation style with 3d mesh interior. Velocity systems / Mayflower custom shop mods which includes low profile steel d-ring shoulder SCARAB attachments for better articulation and reduced binding. Full front loop flap. Molle elastic cummerbund...
I have a newish, tired on but never used, Condor Defender Plate Carrier. No plates included. These retail for around $125. It could be yours for much less!
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...
Condor plate carrier set. Fits 10x12 plates, has a couple removable mag pouches, attachable pack and a cumberbund. The only damage is on the cumberbund it does have some light damage(pictured) im assuming from the pouches that have been on it since i bought it maybe from rubbing on it. No plates...
Never worn other than to try on.
Will fit 10x12 or 11x14 plates
Basic carrier. No molle, etc
Located in Vancouver, can meet in Portland on weekends. No shipping
$30
Trade for:
380 ammo
Makarov holster or magazine
Crye JPC2 Swimmers cut plate carrier. Size is XL. Comes with an additional 3 mag setup on the front so you can carry a total of 6 mags on the carrier and the radio pouches on both sides of the mag pouches. Kit has just sat at my house and I need the funds for additional things.
Hey There,
I have an older Point Blank plate carrier with plates that no long fits me. Looking to upgrade to something newer and one size up.
Carrier Mfg - Point Blank Body Armor
Size - Medium
Carrier Mfg Date - 2003
Plate Mfg - Tactical Armor Product
Plate Model - Gamma Plus
Plate size -...
WTT:
Expired but still usable Soft Armor. Stored flat, never worn, never wet.
I purchased a large group of armor a couple years ago, sold the rest besides these.
LVL ratings shown on the tags.
The black Nforce is a LVL2 Woman's curved concealment vest.
The cream color vest is a size Large...
New Carrier has never been used
Fits 10 X 12 in front pocket
rear can fit Medium or certain Large plates
Top of rear pocket is 10.5" wide
Bottom of rear pocket 14" wide
Rear pocket is 14.5" tall
Too Big for me .
Basically new. Tried out a couple times - still in perfect condition. Bought plates that were too small for the carrier, decided to get a smaller carrier. Local pickup preferred. Can ship at buyers expense. $140 obo
For more info check it out here: TacTec™ Plate Carrier - Back In Stock
Plate armor comes in various cuts like swimmers cut or shooters cut. Places seem to only sell plates in pairs, meaning that you would run, say swimmers cut, in both the front and rear.
I may be totally ignorant here, but it seems like the sweet spot would be to run swimmers cut up front and...