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end plate
A neuromuscular junction (or myoneural junction) is a chemical synapse between a motor neuron and a muscle fiber.It allows the motor neuron to transmit a signal to the muscle fiber, causing muscle contraction.
Muscles require innervation to function—and even just to maintain muscle tone, avoiding atrophy. In the neuromuscular system nerves from the central nervous system and the peripheral nervous system are linked and work together with muscles. Synaptic transmission at the neuromuscular junction begins when an action potential reaches the presynaptic terminal of a motor neuron, which activates voltage-gated calcium channels to allow calcium ions to enter the neuron. Calcium ions bind to sensor proteins (synaptotagmins) on synaptic vesicles, triggering vesicle fusion with the cell membrane and subsequent neurotransmitter release from the motor neuron into the synaptic cleft. In vertebrates, motor neurons release acetylcholine (ACh), a small molecule neurotransmitter, which diffuses across the synaptic cleft and binds to nicotinic acetylcholine receptors (nAChRs) on the cell membrane of the muscle fiber, also known as the sarcolemma. nAChRs are ionotropic receptors, meaning they serve as ligand-gated ion channels. The binding of ACh to the receptor can depolarize the muscle fiber, causing a cascade that eventually results in muscle contraction.
Neuromuscular junction diseases can be of genetic and autoimmune origin. Genetic disorders, such as Congenital myasthenic syndrome, can arise from mutated structural proteins that comprise the neuromuscular junction, whereas autoimmune diseases, such as myasthenia gravis, occur when antibodies are produced against nicotinic acetylcholine receptors on the sarcolemma.
I have a couple sling attachment end plates that need a new home. I got these with some other parts and simply don't need them.
The PWS comes with a specific castle nut for the ratchet function.
ASAP comes with a little wedgie.
Neither has any packaging or instructions. Gear shown is...
As title says. Took this off of my colt 6920 lower and swapped over to a rifle length setup. Doesn't come with the spring.
All is in great shape except for the end plate. Looks to be a little rusty or at least dirty.
45 dollars, 50 shipped.
I changed out a pistol brace of mine and so thus I have a spare brace on hand.
Gen 1 shockwave brace (black)
KAK dimpled tube
End plate
Castle Nut
Also comes with a freebie but Im not sure it’ll have much use to you.
Endo tactical brace adapter, Ive filed it down and drilled the adapter to...