300BlkTalk

As the designer of this upper, I can say I love it and also it is my favorite.

Ping.

I have one factory-sealed 300 BLK reticle scope for sale. $1100. Same as this one: https://shop.opticsplanet.com/leupold-mark-4-1-5-5x20mm-mr-t-30mm-m2-matte-illuminated-spr-rifle-scope.html?_iv_code=LU-RS-M4MRT-1-5-5x20-113594&utm_source=google&utm_medium=cpc&utm_campaign=plusbox-beta&a...

I went through an optics phase where I bought lots of stuff and then never used it. Selling this now to fund Sony camera lenses that cost $2600 each. If you bid on it or buy it, please use the link below as eBay will credit me the listing fee. Thank you. http://rover.ebay.com/rover/1/711-53200-19255...

https://www.tntmunitions.com/ has ammunition now.

It will be louder from muzzle blast. It may be quieter in flight due to lower drag.

I'll be pleased if mine turns out to have pistol gas with an .082" port like yours, so I can open it up until I get the function I want. My current 10" SBR has an .098" port. It is already the correct size. Don't open it - you will just ruin the barrel. The reason your 10 inch has a ...

I wish my carbine gas 16" barrel had a gas port of 0.82, if it did I could open it up a tenth or so. Instead it is too large and I am contemplating selling the barrel or just tacking the hole and drill the size I want. I might do that anyway :mrgreen: Actually, I think I'll do that Friday morn...

The 110 is a flat-base. The 120 is a boat-tail. So your rifle may be more accurate with one vs the other at close range vs long range. It is just an alternative to test out and see which you prefer. For close-in self defense, which is what I like 300 BLK for, I would tend to pick the 110. For long r...

It is really not polite to post negative comments in someone's for-sale ad.