Suppressed SBR Buffer?

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creekerdoug
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Suppressed SBR Buffer?

Post by creekerdoug » Tue Nov 02, 2010 9:12 pm

My check has been cashed and I'm waitin on my Form 1 approval. I've gathered most of the parts to build a 11.5" upper except the barrel. What buffer (rifle, carbine, 9mm) have you found to be the most reliable for an application like mine? Does it even matter?

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S Lance
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Post by S Lance » Wed Nov 03, 2010 7:56 am

A lot of it will depend on the specifics of your particular gun but I suggest that you start with a H buffer and go from there. You could try heavier if you get a lot of blow-back, but you might run into issues shooting the gun non-suppressed. Ideally the gun should function, when dirty, with the lowest powered ammo you'll ever shoot through it.


Unless you are using a full length rifle stock, a rifle buffer won't work because it is too long.

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Gunworks
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Post by Gunworks » Fri Nov 05, 2010 1:29 pm

You want to run the heaviest buffer you can while still having the rifle lock open on an empty mag.

Keep in mind unless you get real Colt buffers most H buffs will not be the right weight so you should weigh them (just got a new H and it was.2 oz light).
Probably what I will run in mine.

Off the top of my flat head I think,
Carb is 3 oz
H is 3.7
H2 is 4.6
H3 is 5.4
9mm is 5.7

I will post actual later when I have my data sheet.

PS: PM inbound.

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S Lance
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Post by S Lance » Fri Nov 05, 2010 6:42 pm

Here's a graphic I lifted off the net.

Image

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Gunworks
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Post by Gunworks » Fri Nov 05, 2010 11:39 pm

Looks like my head is not as flat as I thought.

Colt weights are

Rifle 5.15

Car 2.9

H 3.77

H2 4.7

H3 5.6

9 5.47

Suppresed 9mm SMG or 9+P+

9A 6.3

9B 7.1

9X 7.9

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creekerdoug
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Post by creekerdoug » Wed Dec 15, 2010 11:03 pm

I ended up getting one of the Spike's Tactical 4.3 oz buffers with seems to fall right between a H1 and a H2.

As a special, early, Christmas present I received my approved tax stamp today. Thanks for the advice. I'll see you at a match in the near future.

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S Lance
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Post by S Lance » Thu Dec 16, 2010 2:30 pm

creekerdoug wrote:I ended up getting one of the Spike's Tactical 4.3 oz buffers with seems to fall right between a H1 and a H2.

As a special, early, Christmas present I received my approved tax stamp today. Thanks for the advice. I'll see you at a match in the near future.
Merry Christmas to you! I imagine that the buffer will work fine.

Don't forget to do a 5320.20.

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creekerdoug
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Post by creekerdoug » Fri Dec 17, 2010 8:51 pm

S Lance wrote:Don't forget to do a 5320.20.
I already planning to submit a bunch of 5320.20s when the '11 schedules are published. It will be more than a minor pain in the ass for me since nearly all of the 25 to 30 matches I shoot each year are outside WV. Of course, not all the matches will require the use of a SBR but a bunch of them will offer some opportunities......

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S Lance
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Post by S Lance » Fri Dec 17, 2010 9:10 pm

You probably already know this, but you can do a 5320.20 that covers a full 365 day period for each of the places you shoot, so the exact match dates aren't important. I usually do mine from Jan01-Dec31.

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creekerdoug
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Post by creekerdoug » Mon Dec 27, 2010 7:49 pm

S Lance wrote:You probably already know this, but you can do a 5320.20 that covers a full 365 day period for each of the places you shoot, so the exact match dates aren't important. I usually do mine from Jan01-Dec31.
I didn't know I could a do 365 day period. What address do you suggest I use for the club? I have an actual address for all the other clubs I frequent.

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