My First Build - Page 6
Firearm & Gun Forum - FireArmsTalk.com > Long Guns > Auto & Semi-Auto Discussion > AR-15 Discussion > My First Build

Reply
 
LinkBack Thread Tools Display Modes
Old 11-26-2012, 12:42 AM   #51
Feedback Score: 0 reviews
 
tacticalfun's Avatar
 
Join Date: Mar 2012
Posts: 2,224
Liked 480 Times on 329 Posts

Default

Sounds good.

__________________
tacticalfun is offline  
 
Reply With Quote
Old 11-26-2012, 12:48 AM   #52
At least my puppy loves me.
FTF_SUPPORTER.png
Feedback Score: 0 reviews
 
KG7IL's Avatar
 
Join Date: Sep 2010
Location: Eatonville,Washington. My nearest neighbors are cows.
Posts: 2,556
Liked 1849 Times on 1024 Posts
Likes Given: 5520

Default

Looking very good.
Makes me want to get a multi-caliber pistol lower and get started.

KG7IL is offline  
 
Reply With Quote
Old 11-26-2012, 01:02 AM   #53
Feedback Score: 0 reviews
 
kytowboater's Avatar
 
Join Date: Feb 2012
Posts: 6,999
Liked 2391 Times on 1488 Posts
Likes Given: 51

Default

Quote:
Originally Posted by tacticalfun
Sounds good.
Is there a big difference from the full auto carrier or semi? Such as the full auto being more desirable? I bought what was there, it came with the upper.
__________________

Oh dern....


Revelation 19:11

And I saw heaven opened, and behold a white horse; and he that sat upon him was called Faithful and True, and in righteousness he doth judge and make war.

kytowboater is offline  
 
Reply With Quote
Old 11-26-2012, 01:14 AM   #54
Feedback Score: 0 reviews
 
tacticalfun's Avatar
 
Join Date: Mar 2012
Posts: 2,224
Liked 480 Times on 329 Posts

Default

Quote:
Originally Posted by kytowboater

Is there a big difference from the full auto carrier or semi? Such as the full auto being more desirable? I bought what was there, it came with the upper.
Its a toss up. I personally buy double locking bcg's. They all work well.
__________________
tacticalfun is offline  
 
Reply With Quote
Old 11-26-2012, 01:29 AM   #55
Feedback Score: 0 reviews
 
purehavoc's Avatar
 
Join Date: Oct 2011
Location: Not where I wanna be
Posts: 4,750
Liked 1133 Times on 737 Posts
Likes Given: 2021

Default

Quote:
Originally Posted by Quentin View Post
Why not press DSA for BCG specs, I don't see any in your upper description. No way to be sure looking at the pictures. If they're proud of their product they will spell out the details, if they won't tell you - well that tells you something too.
I have a friend that is a shooter for DSA, great people there and if there is a problem , They will take care of you . Unfortunantly right now they are so far behind on barrels and basically everything , my buddy tried to hit me up for one of my colt target barrels as even being a shooter for them he cant get all the goods he has on order either . I told him its like that every where not just DSA
__________________
purehavoc is offline  
 
Reply With Quote
Old 11-26-2012, 01:55 AM   #56
Feedback Score: 0 reviews
 
Quentin's Avatar
 
Join Date: Apr 2010
Location: Idaho
Posts: 6,642
Liked 1067 Times on 750 Posts
Likes Given: 1063

Default

Quote:
Originally Posted by kytowboater View Post
Found it.

Detailed Description
ZM4/AR15 Semi Auto, Complete Bolt Group Assembly. Gas Key Installed, Carrier Chrome Plated Internaly.

Good/ bad?

Ill call Monday and ask about testing etc.
Well that's not telling you much, basically a chrome lined AR-15 SA carrier. Nothing about the bolt itself. I'd be curious to hear what they say when you call.

The following is the gold standard, BCM specs for their BCG:

Features
•Milspec Carpenter No. 158® steel
•HPT Bolt (High Pressure Tested/ Proof)
•MPI Bolt (Magnetic Particle Inspected)
•Shot Peened Bolt
•Chrome Lined Carrier (AUTO)
•Chrome Lined Gas Key
•Gas Key Hardened to USGI Specifications
•Grade 8 Hardened Fasteners
•Key Staked Per Mil-Spec
•Tool Steel Extractor
•BCM Extractor Spring
•Black Extractor Insert
•Mil-Spec Crane O-Ring
__________________

______
The biggest issue with assembling an AR isn't so much getting the parts together right - it's getting the right parts together. You'll remember the quality of a gun long after you forget how much you paid for it.
________________________________________
US Army 1966-69, VFW Life Member, Retired Geek

Quentin is offline  
 
Reply With Quote
Old 11-26-2012, 02:03 AM   #57
Feedback Score: 0 reviews
 
Quentin's Avatar
 
Join Date: Apr 2010
Location: Idaho
Posts: 6,642
Liked 1067 Times on 750 Posts
Likes Given: 1063

Default

Quote:
Originally Posted by kytowboater View Post
Is there a big difference from the full auto carrier or semi? Such as the full auto being more desirable? I bought what was there, it came with the upper.
Many of us want the heavier auto carrier instead of semi. There's about 1/2 oz difference. As long as the SA carrier shrouds the firing pin it's not a huge issue since you can get a heavier buffer to add mass to the recoil/charging action. If you think functioning is harsh (and since you have carbine length gas) I'd think about an H2 buffer and be done with it.
__________________

______
The biggest issue with assembling an AR isn't so much getting the parts together right - it's getting the right parts together. You'll remember the quality of a gun long after you forget how much you paid for it.
________________________________________
US Army 1966-69, VFW Life Member, Retired Geek

Quentin is offline  
 
Reply With Quote
Old 11-26-2012, 02:05 AM   #58
Feedback Score: 0 reviews
 
kytowboater's Avatar
 
Join Date: Feb 2012
Posts: 6,999
Liked 2391 Times on 1488 Posts
Likes Given: 51

Default

Quote:
Originally Posted by Quentin

Many of us want the heavier auto carrier instead of semi. There's about 1/2 oz difference. As long as the SA carrier shrouds the firing pin it's not a huge issue since you can get a heavier buffer to add mass to the recoil/charging action. If you think functioning is harsh and you have carbine length gas I'd think about an H2 buffer and be done with it.
So if the rifle is recoiling hard, then I need order a heavier buffer. Okay thank you.
__________________

Oh dern....


Revelation 19:11

And I saw heaven opened, and behold a white horse; and he that sat upon him was called Faithful and True, and in righteousness he doth judge and make war.

kytowboater is offline  
 
Reply With Quote
Old 11-26-2012, 02:20 AM   #59
Feedback Score: 0 reviews
 
Quentin's Avatar
 
Join Date: Apr 2010
Location: Idaho
Posts: 6,642
Liked 1067 Times on 750 Posts
Likes Given: 1063

Default

It's not so much recoil but a perception that the action is slamming back too fast. Something that you feel when firing carbine length gas then a midlength. It's almost a certainty that a 16" barrel, carbine gas and SA carrier needs more weight than the standard carbine buffer. Probably an H2 and maybe even an H3.

Some people upgrade to the H3 knowing that it has 3 tungsten weights (3T+0S) and their standard buffer has 3 lighter steel weights (0T+3S). If the H3 is too heavy they know they can swap a steel for a tungsten weight and end up with an H2 (2T+1S weight) and an H (1T+2S). You just have to press out the roll pin holding the plastic bumper to get to the internal weights.

__________________

______
The biggest issue with assembling an AR isn't so much getting the parts together right - it's getting the right parts together. You'll remember the quality of a gun long after you forget how much you paid for it.
________________________________________
US Army 1966-69, VFW Life Member, Retired Geek

Quentin is offline  
 
Reply With Quote
Old 11-26-2012, 02:44 AM   #60
Feedback Score: 0 reviews
 
kytowboater's Avatar
 
Join Date: Feb 2012
Posts: 6,999
Liked 2391 Times on 1488 Posts
Likes Given: 51

Default

Thank you a bunch q. Your the man.

__________________

Oh dern....


Revelation 19:11

And I saw heaven opened, and behold a white horse; and he that sat upon him was called Faithful and True, and in righteousness he doth judge and make war.

kytowboater is offline  
 
Reply With Quote
Reply

Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Firearms Forum Replies Last Post
My AR-15 build gearhead AR-15 Discussion 23 05-12-2011 01:37 AM
.308 Build diggsbakes Auto & Semi-Auto Discussion 13 04-02-2011 07:14 PM
Why Build? easterner123 AR-15 Discussion 38 03-26-2011 03:36 AM
Next Ar-15 build pagj17 AR-15 Discussion 2 06-13-2010 07:19 AM