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Posted: 11/16/2014 8:16:20 PM EST
I have an approved, ready to go, 6920 lower awaiting a SBR project. What should I do with it?

I have already have a 10.3" 5.56 (the 6920 was briefly built to match the Form 1 specs with this upper).

9MM SBR?

12.5" 5.56?

300BLK? (I guess I could start reloading)

Whatever it is, it will be suppressed.

Ideas? Go.
Link Posted: 11/16/2014 8:25:19 PM EST
[#1]
Do you ask the internet what to order when you go out to lunch?
Link Posted: 11/16/2014 8:28:44 PM EST
[#2]
If going suppressed, then definitely 9mm or 300 blk.  Between those it depends on what you plan to do with it.  9mm AR is good for HD and cheap target shooting, 300 blk is good for hunting and also HD but in a longer package.  I have both and they are a ton of fun to shoot but the blk costs a good bit more to shoot.
Link Posted: 11/16/2014 8:29:16 PM EST
[#3]
I'd go 9mm if you're going to suppress it
Link Posted: 11/16/2014 8:30:27 PM EST
[#4]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Do you ask the internet what to order when you go out to lunch?
View Quote


Ever use Yelp?

Just looking for project ideas.
Link Posted: 11/16/2014 8:35:52 PM EST
[#5]
I'm definitely leaning towards 9mm. How hard is it to find inexpensive, quality mags?
Link Posted: 11/16/2014 8:44:12 PM EST
[#6]
I would definitely go with the 300blk.  I shot mine yesterday with 220gr subs and it put a huge smile on my face

Wait on the 9 until you can get a dedicated lower… or that's my preference anyway.  By the time you take the cost of the lower and the cost of the magblock, it's not much more to just get a dedicated lower.  Here are my 300 and my 9:

Link Posted: 11/16/2014 8:50:09 PM EST
[#7]
300 momentum is picking up.  I'll bet that this time next year there will be a lot more ammo choices.  Plus its a given if you hunt.
Link Posted: 11/16/2014 8:53:40 PM EST
[#8]
when i sent in my form 1 for approval i had to list a caliber and length.what did you put on the form 1. dont you have to build it as you list it on the form 1?
Link Posted: 11/16/2014 8:59:16 PM EST
[#9]
300 BLK.
Link Posted: 11/16/2014 9:15:36 PM EST
[#10]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
when i sent in my form 1 for approval i had to list a caliber and length.what did you put on the form 1. dont you have to build it as you list it on the form 1?
View Quote

He explained that in the OP. Put the 10.3" 5.56 upper on it to initially make it to the specs on the F1.  Once that's done, take it off and run whatever you want.
Link Posted: 11/16/2014 9:20:14 PM EST
[#11]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I would definitely go with the 300blk.  I shot mine yesterday with 220gr subs and it put a huge smile on my face

Wait on the 9 until you can get a dedicated lower… or that's my preference anyway.  By the time you take the cost of the lower and the cost of the magblock, it's not much more to just get a dedicated lower.  Here are my 300 and my 9:
http://i713.photobucket.com/albums/ww139/familyguy4_photobucket/IMG_2327_zps894cc991.jpg
http://i713.photobucket.com/albums/ww139/familyguy4_photobucket/IMG_2316_zpsdbbe1195.jpg
View Quote



I like this thought process. We may have a winner...

I need to go over to the reloading forum... I have lots of 5.56 brass.
Link Posted: 11/16/2014 9:21:27 PM EST
[#12]
He mentioned in his OP that he got it for his 10.3" 556 upper.
Link Posted: 11/16/2014 9:26:24 PM EST
[#13]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

He explained that in the OP. Put the 10.3" 5.56 upper on it to initially make it to the specs on the F1.  Once that's done, take it off and run whatever you want.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
when i sent in my form 1 for approval i had to list a caliber and length.what did you put on the form 1. dont you have to build it as you list it on the form 1?

He explained that in the OP. Put the 10.3" 5.56 upper on it to initially make it to the specs on the F1.  Once that's done, take it off and run whatever you want.



Correct. I Form 1'd two lowers. Both for 10.3" 5.56. Since the both have been "built" to spec, I can now change it up.

Obligatory pic:

Link Posted: 11/16/2014 9:34:56 PM EST
[#14]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

I like this thought process. We may have a winner...

I need to go over to the reloading forum... I have lots of 5.56 brass.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
I would definitely go with the 300blk.  I shot mine yesterday with 220gr subs and it put a huge smile on my face

Wait on the 9 until you can get a dedicated lower… or that's my preference anyway.  By the time you take the cost of the lower and the cost of the magblock, it's not much more to just get a dedicated lower.

I like this thought process. We may have a winner...

I need to go over to the reloading forum... I have lots of 5.56 brass.

Although I do like my 9mm AR, the fact that PSA is about to release Glock mag lowers would cause me to wait on building one now. 300BLK might be my second option...but 6.8 would be first. Love my 12" 6.8 Bison upper.
Link Posted: 11/16/2014 10:19:34 PM EST
[#15]
300 BLK
Link Posted: 11/16/2014 10:38:59 PM EST
[#16]
Put a Sig brace on it,  a really short barrel,  and a VFG,  then troll the hell out of Facebook gun groups.  

J/k
Dedicated .22 version of your goto gun for cheap training.
Link Posted: 11/17/2014 9:03:15 PM EST
[#17]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Put a Sig brace on it,  a really short barrel,  and a VFG,  then troll the hell out of Facebook gun groups.  

J/k
Dedicated .22 version of your goto gun for cheap training.
View Quote


I wish .22LR were cheaper. This would win.

As much as I love the idea of 300blk, Im still having a hard time thinking about stocking another caliber and finding time to reload.

Thanks for the ideas.
Link Posted: 11/19/2014 6:35:54 PM EST
[#18]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

I wish .22LR were cheaper. This would win.
As much as I love the idea of 300blk, Im still having a hard time thinking about stocking another caliber and finding time to reload.
Thanks for the ideas.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Put a Sig brace on it,  a really short barrel,  and a VFG,  then troll the hell out of Facebook gun groups.  
J/k
Dedicated .22 version of your goto gun for cheap training.

I wish .22LR were cheaper. This would win.
As much as I love the idea of 300blk, Im still having a hard time thinking about stocking another caliber and finding time to reload.
Thanks for the ideas.


22's are fun in a SBR.  300 BLK just need to stock different powder in most cases.  I reload 223 so I had primers that will work and relaod 308 so I had bullets that work.  Just needed some different pistol powder.

MAHA
Link Posted: 11/20/2014 12:13:50 AM EST
[#19]
Go 300, too much fun in one gun

About to put my stock and vfg on it


Link Posted: 11/20/2014 12:45:56 PM EST
[#20]
300 BLK FTW with an 8" barrel + your suppressor, Supers for hunting, subs for HD.
Current project of mine is a 7.5" barrel + 7" suppressor = ~14" suppressed weapon.
Link Posted: 11/20/2014 8:26:01 PM EST
[#21]
Thanks guys. Looks like I'm going to bite the bullet and start reloading 300blk...
Link Posted: 11/23/2014 8:39:29 PM EST
[#22]
12.5.  It will become your favorite unsuppressed AR.
Link Posted: 11/23/2014 8:41:19 PM EST
[#23]
Pretty sure it's getting one of these:

https://dsgarms.com/dsgu-300-10-mcsr10-agb-a2

$399 on Friday.

Link Posted: 11/23/2014 11:42:48 PM EST
[#24]
I've been debating joining the 300 blk club for a little while, looks like this thread changed my mind. Time to go ahead and get the reloading tools.
Link Posted: 11/24/2014 12:11:07 AM EST
[#25]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I've been debating joining the 300 blk club for a little while, looks like this thread changed my mind. Time to go ahead and get the reloading tools.
View Quote


Around here they're running H110 with good results.
Link Posted: 11/24/2014 1:47:56 PM EST
[#26]
Discussion ForumsJump to Quoted PostQuote History


That's an awesome deal.
Link Posted: 11/24/2014 2:01:41 PM EST
[#27]
For very good ballistic performance from an SBR, the 12.5" 6.8 from ARP is hard to beat.  95gr at 2900 FPS is nothing to sneeze at.





For firebreathing cheap fun, the 7.5" 7.62x39 has provided loads of cheap enjoyment, theirs just something fun about 2ft wide fireballs and concussion that rattles your chest.



       
 
Link Posted: 11/28/2014 10:59:14 PM EST
[#28]
300BLK

Link Posted: 11/29/2014 3:03:06 PM EST
[#29]
458 SOCOM. If you're going to fly under 1100 fps, you might as well have a 500+ gr bullet...  
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