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plates
Plate tectonics (from the Late Latin tectonicus, from the Greek: τεκτονικός "pertaining to building") is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of the Earth's lithosphere, since tectonic processes began on Earth between 3.3 and 3.5 billion years ago. The model builds on the concept of continental drift, an idea developed during the first 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 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 (or faults). 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, or one plate moving under another, carries the lower one down 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 mechanical strength than the underlying asthenosphere. Lateral density variations in the mantle result in convection; that is, the slow creeping motion of Earth's solid mantle. Plate movement is thought to be driven by a combination of the motion of the seafloor away from spreading ridges due to variations in topography (the ridge is a topographic high) and density changes in the crust (density increases as newly formed crust cools and moves away from the ridge). At subduction zones the relatively cold, dense crust is "pulled" or sinks down into the mantle over the downward convecting limb of a mantle cell. 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.
I have 21 6"x1/2" round with tab style plates, suitable for a plate rack or hanging targets. Found them while cleaning out my dad's basement. Pretty sure they're AR500 as my dad didn't do cheap. The finished plates in the pics are NOT INCLUDED. Need this stuff gone so I think it's priced well to...
Cleaning out dad's basement and found 6 finished 6"x3/8" plates and 21 6"x1/2" unfinished plates. They could probably be used to make some nice plate racks. My dad never did stuff cheap so I'm guessing it's all AR500 but he's gone so I can't be sure. A couple of the finished plates have been...
selling brand new pair of RMA 1003 plates. Never even put in a carrier, manfr. date April 2023. Had these on backorder direct thru RMA with a big discount and forgot to cancel after I found something else locally. Basically dont need these and they're no refunds on body armor. Will stop up to...
Ranger green size medium JPC 2.0 with RMA level 4 multi curve plates installed. Plates made this year. Basically brand new, only tried on once to make sure it fit after installing plates. Weighs approximately 17 lbs. $20 less than what I paid and RMA did a price hike right after I bought.
$250...
Hesco L210 and Grey Ghost Gear SMC plate carrier package.
New pair of Hesco L210 Special Rifle Threat Plates. These are curved and size large. Designed to be very light and stop the more common Rifle cartridges. I bought the plates for $400 shipped and never wore them. I never got the chance to...
Got a few used shell plates for the Hornady LNL AP
#1- 308/30.06/6.5CM
#8- 9x19
#10-10mm/.40
#16- 5.56/300blk/380 (apparently)
#45- 45ACP
$35 a piece, willing to ship
Brandon
9514426918
BAO plate carrier and plates package. Never worn, just tried on and larped around the kitchen. Has IIIA side panels as well. The plates are BAO's 4401, which I'm guessing are just the re-branded hesco 4401s.
Size Large on the plates.
No trades, and not looking to part it out.
Picked up in...
I have a complete Hornady Lock-N-Load AP Reloading Press with 5 plates and 9mm, .40/10mm, .38/.357, 44mag, .45acp, .308 dies. Don't do much reloading so away it goes…
Some powders are included. Trade for pistol, rifle shotguns ? Text me at +13609709514
Old salty but functional surplus Eotech 552 - EOTECH SOLD
Magpul mp5 SL stock like new -SOLD
MP5 stock SOLD
Aero scope mount light use - $55 shipped
LVL 4 Hoplite XL 26605 March 2021 manufacture - $500 shipped
Condor MOPC coyote brown plate carrier and 2 cati armor lv. III steel plates 10x12 single curve shooter cut plates. Comes with a spall protector/padded cover for the front plate
*Brand New - Never Used*
HESCO L210 Special Threat Plates (NIJ IIIA equivalent) - $320 / pair
These are the 10″x12″ L210s (Large). Each plate is 0.6″ thick and weighs 5.4 lb.
See spec sheet and pictures for manufacturing date
Needing the cover plates as shown in the picture. For the Beretta 92 RDO and M9A4.
I’m having a hard time getting them from Beretta. I’m hoping someone took theirs off to install the optics plate, and have these left over.
Will purchase for a reasonable price.
See photos for what I need...
one of these have seen use or larping around.
Level 3 GT2 multi curve plates, 1 sapi cut, 1 shooter cut meauring 9.50" x 12.50" x .6". $475.00 each plate
Level 4 single curve plates, 1 sapi cut, 1 shooter cut meauring 9.50" x 12.50" x .9". $450.00 each plate
I have five Glock OEM G43 magazines. One stock with the finger extension (not pictured), two magazines with Taran Tactical +1 (black) base pads, and two magazines with Taran Tactical +2 (titanium gray) base pads. These are all like new. The G43 I intended using them with never became my EDC, so...
Looking for a complete upper with cash ( prefer 5.56/223). Have a new unworn Spartan armor legion XL carrier, oversized plates front, rear, and sides, AR550 triple curve, multi frag coating, and 4 trauma pads, 2016 manufacture ( 20 yr shelf life)
Would take $300 cash or an ar upper with cash...
For trade is a like new OD green Molle carrier
This is size adjustable I’m a L
The plates are 10x12 no clue on them , I purchased them off the forum.
There are 2 plates and a trauma backer plate
$140
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I need a 1913 magpul bipod
Glock mags or AR15 mags
9mm/223/556 ammo
Shield...