300 Blackout Picture Thread

**mark5pt56** · 11-26-11, 21:42

Post away!

If someone wants to collect suppliers, I will do a sticky for that.

I will start one, heck, why not--post in it and I'll try to collect the links into the first post of mine, so copy a link and what it it-be short.

**uglyducky** · 02-01-13, 21:14

Originally Posted by Eurodriver

You can use everything from a 5.56 system except the barrel. Bolt, bolt carrier, magazines, everything. The barrel and perhaps the gas block are all that is different/non interchangable.

The ballistics don't match 7.62x51, so I don't see how using a 7.62 reticle will help any.

Yes, the suppressor must be a .30 caliber suppressor or bigger.

so, theoretically, one could simply swap out barrel (and gasblock) in any 556 upper with a 300blk?

**svh** · 07-08-15, 08:55

**Dustin** · 04-09-17, 00:46

IMG_3160.jpg

12.5 in. Bravo everything except upper and lower are Mega. The trigger is SSA.

**Short_barrel_daddy** · 03-02-19, 17:29

474684B2-0E2B-45EF-8A36-294F9B427D8B.jpg 474684B2-0E2B-45EF-8A36-294F9B427D8B.jpg My 300blk. I haven’t posted anything in here yet built on a Rainier Arms receiver set, BCM 9” barrel, SLR rail, x products (H&K) stock and MRO with a scalarworks mount