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#6467995 - 09/25/16 08:03 PM 9mm AR's
T Bone Offline
THF Trophy Hunter

Registered: 09/20/09
Posts: 6950
Loc: Up in the cheap seats..
Looking for advice from those of you who've built one on what you like/dislike about yours.. Picked up a Runner Runner billet (Glock mag) lower at Market Hall over the weekend & the plan is to ultimately SBR/suppress it.. Would appreciate pics if you have any.. Thanks!
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Originally Posted By: bill oxner
I love happy endings.

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#6468053 - 09/25/16 08:24 PM Re: 9mm AR's [Re: T Bone]
BCJ Online   content
Pro Tracker

Registered: 06/01/05
Posts: 1987
Loc: Frisco
They are not the quietest suppressed platform since it relatively light bolt weight for a blowback firearm. I used a very heavy buffer to really quiet it down, the additional length helps from breaking the bolt catch
Regular 5.5oz 9mm buffer on bottom, heavy buffer (stainless steel with 3 tungsten weights) in middle

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#6468433 - 09/26/16 07:40 AM Re: 9mm AR's [Re: T Bone]
T Bone Offline
THF Trophy Hunter

Registered: 09/20/09
Posts: 6950
Loc: Up in the cheap seats..
Very good, thanks for the tip.. Got a link or source for the heavy buffer?

Anyone else w/ any thoughts..
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Originally Posted By: bill oxner
I love happy endings.

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#6468440 - 09/26/16 07:47 AM Re: 9mm AR's [Re: T Bone]
Tye Online   content
Veteran Tracker

Registered: 01/18/07
Posts: 3309
Loc: Eastland county
Love my QC10 9mm rifle. I originally bought a 5.5" barrel but also bought a 16" barrel because the Form1 might take awhile. I used the JP silent capture buffer/spring. Also bought a Octane 45 can...that will take even longer. It was shooting 6" groups at 100 yards with a non magnified red dot. Can't wait to finish the smaller barrel upper and get the can.
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Originally Posted By: AmoCuernos
If you shoot a young deer because a neighbor will shoot it, you are that neighbor.

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#6468442 - 09/26/16 07:51 AM Re: 9mm AR's [Re: T Bone]
Tye Online   content
Veteran Tracker

Registered: 01/18/07
Posts: 3309
Loc: Eastland county




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Originally Posted By: AmoCuernos
If you shoot a young deer because a neighbor will shoot it, you are that neighbor.

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#6468445 - 09/26/16 07:52 AM Re: 9mm AR's [Re: T Bone]
Tye Online   content
Veteran Tracker

Registered: 01/18/07
Posts: 3309
Loc: Eastland county
I picked up a Seekins 12" rail last week for the SBR upper. You can tuck the can with that rail
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Originally Posted By: AmoCuernos
If you shoot a young deer because a neighbor will shoot it, you are that neighbor.

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#6468478 - 09/26/16 08:13 AM Re: 9mm AR's [Re: T Bone]
T Bone Offline
THF Trophy Hunter

Registered: 09/20/09
Posts: 6950
Loc: Up in the cheap seats..
T, that a 50rd drum? I've been looking at 50's over the weekend & CDNN has an Asian Military Glock compatible 50rd on sale for around $40 but the reviews seem to be all over the place on them.. Any issues w/ yours?
_________________________
Originally Posted By: bill oxner
I love happy endings.

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#6468502 - 09/26/16 08:26 AM Re: 9mm AR's [Re: T Bone]
Tye Online   content
Veteran Tracker

Registered: 01/18/07
Posts: 3309
Loc: Eastland county
I bought several drums from CDNN. They don't run 100% but are fun. I bought several ETS 31 round clear stick mags that have ran 100%
http://www.etsgroup.us/ETS-Group-Translucent-Glock-18-mag-p/glk-18.htm
_________________________
Originally Posted By: AmoCuernos
If you shoot a young deer because a neighbor will shoot it, you are that neighbor.

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#6468639 - 09/26/16 09:31 AM Re: 9mm AR's [Re: T Bone]
T Bone Offline
THF Trophy Hunter

Registered: 09/20/09
Posts: 6950
Loc: Up in the cheap seats..
Very good, thanks.. up
_________________________
Originally Posted By: bill oxner
I love happy endings.

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#6468649 - 09/26/16 09:35 AM Re: 9mm AR's [Re: T Bone]
C.K. Offline
Woodsman

Registered: 12/07/12
Posts: 109
Good luck finding a non side charging LRBHO upper. They're on extreme back order.

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#6468708 - 09/26/16 10:08 AM Re: 9mm AR's [Re: T Bone]
T Bone Offline
THF Trophy Hunter

Registered: 09/20/09
Posts: 6950
Loc: Up in the cheap seats..
Educate me, I'm an ar idiot.. What's the advantage of a non side charging upper?
_________________________
Originally Posted By: bill oxner
I love happy endings.

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#6470727 - 09/27/16 12:59 PM Re: 9mm AR's [Re: T Bone]
That 1 GUy Offline
Tracker

Registered: 06/03/12
Posts: 752
Loc: Dallas Texas
Okay, so I picked up a Spartan 9mm Glock lower awhile back, already have my forms back for the SBR and the Can (Octane HD 45 1.37"OD)

Where do I begin? So, I read all over the net...every DANG opinion and went ahead and bought the 9oz buffer (Spikes), the BCG...etc

I am using a Spartan Side Charging upper which is machined so it has a simular shape to that of a billet upper (little more beefy).

First problem I encountered was while installing my BHO (Bolt Hold Open), even the extended browning catch is not long enough to get tripped by the glock mag. Remember, several parts out there are designed for those who use a mag block, the mag position on the dedicated lower is much further forward.

No worries, I just wait until I get a dead man trigger then reload...yikes

Second issue, th 9OZ buffer is also designed for those who are using a basic BCG and mag block. The BCG I bought actually came with an additional weight pinned to the rear of it so little did I know, I was running about 1LB of buffer weight. This extra weight caused the buffer to bind in the tube after about 28rnds suppressed (that carbon build up is CRAZY). So, I went back to a standard buffer, no more binding.

Third issue, yet to be resolved is to find a handguard I like (currently using Samson Evo) that does NOT have the anti rotation tabs as these will not fit the beefy-ness of the upper (the design prohibits the tabs from fitting properly.

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#6471587 - 09/27/16 10:25 PM Re: 9mm AR's [Re: T Bone]
Fishing Fester Online   content
Pro Tracker

Registered: 07/17/12
Posts: 1018
Loc: Weatherford
That 1 guy, are u using and extended cam-pin on youre bcg?
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#6471648 - 09/27/16 11:38 PM Re: 9mm AR's [Re: Fishing Fester]
That 1 GUy Offline
Tracker

Registered: 06/03/12
Posts: 752
Loc: Dallas Texas
No, just a plain Jane 9mm bcg, there is no cam pin. The bcg and bolt face are one.

Here it is, works like a champ and I now see they have more detail in the specs regarding the additional weight pinned to the rear:
here


Edited by That 1 GUy (09/27/16 11:54 PM)

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#6471964 - 09/28/16 09:27 AM Re: 9mm AR's [Re: T Bone]
C.K. Offline
Woodsman

Registered: 12/07/12
Posts: 109
Originally Posted By: T Bone
Educate me, I'm an ar idiot.. What's the advantage of a non side charging upper?


Side chargers are just unique. I prefer the streamlined look of a standard upper. The side chargers are more expensive too, at least the LRBHO ones I was looking at.


Edited by C.K. (09/28/16 09:28 AM)

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