Nuprol delta Sopmod

[Binchie]

I know this is a bit embarrassing, but can someone tell me how to open the Nuprol delta sopmod?

I thought it would be as easy as pushing the rear pin out and the top receiver would rotate on the forward pin, but it's not budging.

It is a second hand gun, so just wanted to look inside and possibly change the spring as it's shooting at 305 and wanted it up to 350.

I have googled the normal searches but cannot find anything about the Nuprol delta range other than reviews.

Thanks for any help you can offer.


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[36CrazyFists]

Re: Nuprol delta Sopmod

They open the same as most ARs dude. Push out both receiver pins, remove the mag and then slide the upper receiver forwards and off the lower, sometimes you may need to give the charging handle a wiggle as it can catch on the top of the gear box.