The KNS rear pin ( self captured ) will work. I used one in my prototype until the rear pins were available.Originally Posted by jiffx2781
I actually have 2 sets of them at home not being used...
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The KNS rear pin ( self captured ) will work. I used one in my prototype until the rear pins were available.
I actually have 2 sets of them at home not being used...
I see what you mean about the front takedown pin, there’s no bevel on the front to it won’t swing open even with a proper rear pin. My uppers all have zero play, I can hear the JP SCS weights slightly rattle and that’s it.Taking that pin out is a Beaach!
The small screw is locktited in.
You have to grip on the needle nose with the grip of Thor
After removing the pin , I got the U:L together, but it wasn’t easy.
You have to tip the upper on a coward angle to the lower( kinda like putting them together backwards.
The front will not pivot, once the back pin is out.
So now for the weird stuff.
Riding the CH will allow the trigger to work.
Slamming the CH will not engage the trigger.
Trigger works with a mag when you release the bolt via the bolt release, but not when you release it manually.. (dummy rnds)
Then it’s opposite on an empty mag.
Also the maritime bolt catch is very stiff.
I think the trigger is causing all these issues and is a no go.
Let the fun begin.
will the KNS pins be flush with both sides of the lower? Or will it protrude out one side of the lower?
yes , it’s kida of a ,push straight down and in.I see what you mean about the front takedown pin, there’s no bevel on the front to it won’t swing open even with a proper rear pin. My uppers all have zero play, I can hear the JP SCS weights slightly rattle and that’s it.
Let the fun begin.
Anyone having mag seating issues? Both metal mags and pmags won't work in either upper. Have one lower currently. It seems the upper sits rear ward on the lower, creating a lip inside the magwell that prevents the mags from seating. The upper and lower fit snug with very little movement so this seems strange..
HardyShooter
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Last edited by jiffx2781; 05-18-2020 at 10:24 AM.
"Arguing with idiots is like playing chess with a pigeon..... No matter how good you are, the bird is going to s#!t on the board and strut around like it won anyway."
What do you mean by , don’t work?
My PMAG 30, MFT pistol mag and BEO hi cap( lol) work great.
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Last edited by jiffx2781; 05-18-2020 at 10:24 AM.
"Arguing with idiots is like playing chess with a pigeon..... No matter how good you are, the bird is going to s#!t on the board and strut around like it won anyway."
I've had a similar issue with some lar15 mags that have a certain style of feed lips, my posts are on page 8 and 12.
My pmags will seat, but with force. Definitely not drop free. Metal mags won't seat at all.
HardyShooter
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