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Bud's first complete AR15 build

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 16:32
budperm View Drop Down
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Well it pains me that it rained all day here in PA.  When I got home from work wednesday my AR lit from Model 1 sales was waiting for me.  I put her together last night and tuned the trigger to a very short stroke 3 lb crisp pull!  I'll be taking her to the range tomorrow weather permitting!!!!
 
                            The Details
EX Hvy E.R. Shaw SS Varmint Bbl 20" 1 in 8.
standard length gas system w/ 1913 Milspec steel gas block
standard length fluted & knurled free floating tube handguard
milspec teflon coated boltcarrier group
Tactical release charging handle
A3 Flattop w M4 ramps, forward assist and ejection port cover
Spikes Tactical lower Receiver
Jard adjustable single stage trigger (3lbs)
Ergo Ambi Suregrip handle
ARFX Skeleton A2 stock
Pmag 20rd mag
 
Mounted a BSA Sweet 223 using a SSALT Gen II mount!
 
 
 
 
 
 
                                                                                                              AIN'T SHE PRETTY!?!!?!?
 


Edited by budperm - November/25/2010 at 20:23
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 16:35
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Excellent
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 16:38
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Very nice Bud!
What time should I meet you at the range?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 16:41
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You'd better leave the house now Craig. LOL
 
I hope I can sleep tonight! Smile
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 17:08
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What ammo are you gonna feed her, Bud?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 18:17
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Damn nice !!Excellent... Looking good
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 18:24
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Sweet, I like it!!!  Thunbs Up

Nice rig Budster!!


(gotta get back to TG dinner)  Bucky
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 18:26
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Congrats Bud! I know you had been itching to get that thing completed. Very nice rig indeed.

Now we expect some pics of what she can do at the range. Big Grin
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 19:52
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Wow, I wouldn't even know where to start with one of those. But it sure looks nice.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 20:05
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Very Nice Rig Bud!!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 20:12
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Very nice, Bud!
 I will be very interested in knowing the groups you get from that upper . Been thinking of trying one out from Model 1 sales myself, but wanted to hear from someone who had 1st.
 
Derek
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 20:38
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Lynn (beltfed) turned me on to Model 1 Sales.  Said it was his goto for parts.
 
Thanks guys, I appreciate it!!!  Got my fingers crossed about her accuracy!  I was impressed by the accuracy of Graham upper that he loaned me.  You could shoot 0.5" 3shot groups with a 16" bbl.
 
I am going to try everything from 50grs to 77grs using different amounts of Varget and RL15.  So I got some loaning to do!!!  What do you think will work in it guys???
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 20:41
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I'd start with 55gr. rounds and go up.
I'd wager 68gr. SMK's will shoot real nice in that stick, Bud.  
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 21:14
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I don't know of a handload , but would love to know what it'll do with Federal Gold Medal Match ammo.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 21:22
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The only factory loads I have are Fiocchi 50gr Amax.
The rest are handloads.  I can't afford that stuff.  Reloading usually beats factory accuracy wise if the reloader knows what he is doing and is LOTS cheaper!!!
 
I'd be happy to shoot anything you want to send me!!!! Smile
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 21:22
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http://www.whiteoakprecision.com/info-reloading.   I run  24.5 gr RL15 with a 69 gr SMK and I dont shoot the 80 gr cause you have to single shot load them but I have loaded some 77 SMK and I like to stay just a tad under max and I have used both RL15 and Varget and lately its been mostly the RL15 which I like a lot.   There is a huge amount of energy difference at long distance so for long range the 77 would be a better choice but for 200 to 300 yds the 69 gr is very nice.  With a 1 in 8 twist I see no reason to go below the 69 gr unless you need a specialty bullet like the Barnes TSX 60 or and I dont think the light bullets will work well for that twist.

69 gr Sierra (overall length 2.25")

Powder Type
Grains
Notes
Reloader 15
24.0 to 24.8
This is my favorite load with the 69 grain bullet. It is extremely accurate and consistant. Very good velocity.
Varget
24.0 to 25.0
Very accurate. You may have trouble obtaining the velocity of faster burning powders. Also, Varget powder burns dirtier than Reloader 15.
AA 2460 23.5 to 24.0 Very accurate and excellent load. It is a ball powder, so it measures very well. No chronograph data.
Hogdon 4895 24.0 Shoots very well, but it does not meter very well, as it is a medium stick powder.


80 gr. Sierra (overall length 2.450 to 2.485, depending on lot)
(allow for .005" - .015" jump)

Powder Type
Grains
Notes
Reloader 15 23.5 to 24.4 My pet 80gr load. Very accurate, good velocity, and clean burning.
Varget 23.5 to 24.5 Compressed load. You will not get the velocity of the faster powders.
AA 2460 22.8 to 23.3 Ball powder. No need to weigh charges, even for 600 yard loads. Meters very uniformly. No chronograph data, but shoots very well.
Hogdon 4895 22.5 to 23.2 Accurate; good velocity. This is a very good 600 yard load. You will probably want to weigh charges, as it does not meter as well as other powders.

I use Remington 7-1/2 primers, but Federal work fine also. Winchester primers have a tendency to pierce, so I do not recommend them.

Please note there is a lot of variation in the weight of .223 Remington cases. A load that is safe in an R-P case, which is light, may be too hot in a Federal (heavy) case. Please

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 21:23
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Of coarse...I'd share the results.... Bucky
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 21:34
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Originally posted by budperm budperm wrote:

I am going to try everything from 50grs to 77grs using different amounts of Varget and RL15.  So I got some loaning to do!!!  What do you think will work in it guys???


69grs SMK. That is what shoots best in my AR 15s with a 1:8. 68grs are just a hint larger nine round groups for me.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2010 at 21:35
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Wes,  I have been using CCI Magnum Small Rifle #450 Primers I'm well into my second brick (1K+) and have had maybe 3 dud primers.  I will rotate and rechamber a shell that didn't fire the first time before calling it a dud reworking it. Has 2 more that fired on second try, both showed light pin dimples from 1st try.
 
Do you have issues with CCI primers?  I started with them because of availability more than anything.  But I'm happy and I seem to have good consistant repeatability and accuracy with them.
 
I usually stick with a know good thing...so I haven't found a reason to stop using them.
 
Good info!  Thanks for sharing!!!


Edited by budperm - November/25/2010 at 21:58
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/26/2010 at 02:07
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Originally posted by cheaptrick cheaptrick wrote:

I'd start with 55gr. rounds and go up.
I'd wager 68gr. SMK's will shoot real nice in that stick, Bud.  
 
Meant 69gr. Sierra's.
Sorry, too much festivities.    
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/26/2010 at 05:50
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looks good bud!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/26/2010 at 08:46
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Originally posted by budperm budperm wrote:

Wes,  I have been using CCI Magnum Small Rifle #450 Primers I'm well into my second brick (1K+) and have had maybe 3 dud primers.  I will rotate and rechamber a shell that didn't fire the first time before calling it a dud reworking it. Has 2 more that fired on second try, both showed light pin dimples from 1st try.
 
Do you have issues with CCI primers?  I started with them because of availability more than anything.  But I'm happy and I seem to have good consistant repeatability and accuracy with them.
 
I usually stick with a know good thing...so I haven't found a reason to stop using them.
 
Good info!  Thanks for sharing!!!
The light primer strikes a results of the free floating firing pin in AR's. (firing pin is making contact on closing). You should get a firing pin depth gauge from Brownells and correct this, with a shorter one or what ever the gauge indicates. This condition is cured in Aramlites 10 by using a spring loaded firing pin an improvement that should be made in 15's. By hardness primers from hardest down are: Remington,Win.CCI,Fed. Don't take my word for it run a poll at SH or Brian enos. This condition becomes more critical when using a adjustable gas block, lightened carrier and springs, and recoil buffers. Do not use misfire or dimpled primers for serious carry or match use as a second occurance on an already sensitive primer may cause an AD with bad results.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/26/2010 at 08:56
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Nice gun! is it predrilled for a swivel for bipod mounting? Out to 500 yds, the difference in percentage of hits using 40-50 gr pills at 3200 to 3400 fps is just as high as using 69 gr. pills at 2600 to 2800 fps. The bc is only about .1 difference, which is nothing in the bullet world.

Does it have a Wylde chamber? If so this will affect your loads and seating depth. also different  ar will show quite a bit of differences between 68, and 69, gr. bullets depending on the ogive. Some prefer secant- some tangent.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/26/2010 at 09:35
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Nice Bud, it looks real nice.  Excellent

A couple of other sites I like to use for AR parts are Del-ton and Rainier Arms.  Rainier sells some higher end stuff which is nice for some projects.

Another bullet to test is hornady 75 grain hpbt match.  My 1-7" really likes them.  I use Win brass, 24.5 Varget and CCI primers.  I have shot a few 5 shot groups in the .4 range at 100 yards. 

Best part about those bullets, they are about $50 cheaper for 600 than for 500 77 grain SMKs.  In my gun, they shoot just as good.  A 1-8 should shoot the 75s good as well.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/26/2010 at 09:36
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Bud it looks terrific, I bet you had a great time putting it together. Sometimes the build is more fun than the actual shooting.
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