What is your AR upper set up for 3 gun?

I have recently started 3-gunning and I am thinking about building a new upper. I am curious what 3 gunners are using and why. i am happy with my lower setup. I am more interested in upper configurations. I am assuming mid to good quality flat top receiver.

barrel length?
barrel profile?
fluted?
twist? What weight are you shooting?
compensator?
gas system length?
fore arm?
gas block?

20"
This one.
No
1 in 8" 55 gr. inside 200 yards, 68 gr. for longer range.
Rolling Thunder
Rifle
DPMS Carbon Fiber
Standard DPMS, but an adjustable one is on my short list of things to buy next

Mine: 16" Barrel 1/9 Fluted. Titan Comp. Carbine Length Gas w/JP gas block. Troy Battlerail. LMOS BCG, Hollow Buffer

This is not what most 3 gunners are shooting...carbine gas is considered far too strong of a gas system. Most guys will shoot a carbon-fiber handguard or a JP/VTAC style one. Most guys shoot a 1:8 @ 18"....fluting isn't something you need or don't...

Either way, this is what my rifle is capable of (or what I'm capable of with this rifle at my current skill level):
Click Here

I am using a BCM Carbine length upper. 1/9 with 62 gr. (Non fluted barrel, flattop upper.)
YHM flash hider (Stock)
Gas block is YHM folding front sight post.
Fore arm is MI FF with KAC covers.

I am a beginner to this sport....so I am still improving and using a pretty basic setup.
Most guys were more high speed than I was.

18"
Noveske light NST profile
no
1/7 55 NBTs <200 69 SMKs >200
SureFire MB556K
Intermediate gas length
Troy Extreme rail
Noveske lo-pro

Uppers 3
Open
bushmaster 20 hbar w/ dpms tube, surfire comp, rifle gas

TAC
Colt 6721 w/ JP tube with ext for rifle length, JP BC comp. carbine gas

Std
Colt A2 upper from CDNN, 20 1/7 govt profile. A2 FH. rifle gas or A1 upper. both std USGI config.

All ammo 55gr factory non wolf.

This is what i am the most interested in. The upper i am wanting to build would be an 18" mid 1:8 or 1:7.

I guess i should have posted what i have.

barrel length? 16"
barrel profile? Gov
fluted? no
twist? What weight are you shooting? 1:9
compensator? S&W stock
gas system length? carbine
fore arm? DD Omega 7
gas block? S&W FSB

barrel length? 18"
barrel profile? MID
fluted? NO
twist? What weight are you shooting? 1x8 55gr
compensator? surefire
gas system length? rifle length gas system
fore arm? JP long
gas block? JP lo-pro

JP15 Upper Assembly

barrel length - 18"
barrel profile - Mid
fluted - No
twist - 1:8

16 in HBAR, 1/9, non fluted

20" RRA/Wilson 1:8 SS HBAR w/chopped GI FSB gas block
JP Cooley Tactical brake
Midwest industries handguard
Flat top
Troy scope mount
Meopta K-Dot 1-4x w/R&R cat tail
JP bolt
Sabre enhanced bolt carrier

Did you machine another baffle in the comp or is it some kind of illusion in the picture? Looks like you have three rather then the normal two.

Same as True Punisher except 75 gr Hornady HPBT for past 100 yards

Bushmaster Upper Assembly

Barrel length - 20"
Barrel profile - HBAR .750"
Fluted - No
Twist - 1:9
What weight are you shooting - 55 Xtreme FMJ / 69 Sierra Match Kings for long range work
Compensator - Jerry Miculek
Gas system length - Rifle
Forearm - JP/VTAC
Gas block - JP Adjustable
Trigger - Chip McCormick Super Match Trigger
Scope - Burris XTR-14 (1 to 4 power)
Scope mount - LaRue SPR-E

There are many areas of a 3-Gun rifle that are important. They all work together as a system. But, in my opinion, an adjustable gas system and an excellent trigger are essential for 3-Gun. This, combined with a good quality compensator, makes muzzle jump under recoil nearly non-existent.

The rifle in action.

Team Rudy Project
Team RANGELOG

I've only shot two matches so far, but here's my setup:

18" WOA SPR barrel (1:7 twist, Wylde Chamber, rifle length gas)
BCM upper receiver and BCG
12" Midwest Industries SS forend
YHM folding front sight/gas block
YHM 5C1 flash hider
Matech rear sight
Vortex Strikefire red dot

The matches around here seem to be mostly short distance affairs, so I haven't needed any magnification yet. The rifle is pretty accurate, with the irons I can hold about 2 MOA shooting prone at 100 yards. I haven't stuck a scope on it yet to see what it can really do. It's also been 100% reliable so far, it eats everything from match grade handloads to cheap Russian steel cased junk. The biggest problem I have is that I really need a comp of some kind. My muzzle jumps enough that it really slows me down. I want something that won't have a ridiculous amount of blast, since I also use this rifle for some informal high power matches at the local club and we're packed in there pretty tight. I've thought about a Levang comp since that seems to direct the blast downrange. I could care less about the amount of recoil as long as it keeps the muzzle down.

barrel length? 18"
barrel profile? WOA SPR
fluted? no
twist? 1-8"
What weight are you shooting? 55gr most of the time; occasionally 75gr
compensator? PWS DNTC
gas system length? mid-length
fore arm? JP Midlength
gas block? YHM? can't remember

After using it for a few years, I think this setup is a bit too heavy. I would probably go with a 16" medium contour barrel with a mid-length gas system if I was building another competition upper.

Nope - its just dirty

MSTN build with a 20" WOA SDM barrel
JP Lightweight carrier
PRI CF handguard
PRI/MSTN comp
PRI adj gas block
Meopta K-dot in SPR-E mount

or

"stock" 18" JP CTR-02 with Meopta K-dot in SPR-E mount

third and fourth from the top:
ARs

16 inch
Noveske N-4 profile
Not fluted
1-7 twist shooting 55 grainers fine
PWC 556 comp
Mid length gas
Viking tactics extreme 11 inch
Standard low profile gas block

I just received a new upper assembly and I will be using this next season:

18" barrel
SPR profile
No flutes
1/8" twist––55gr for close range and 75gr for long range
Miculek compensator
Rifle length gas system
VTAC free float tube
Railed, non-adjustable gas block that came with the barrel

I'm shooting a CTR-02 upper from JP Enterprises. 18" stainless barrel, 1:8" twist. Rifle length gas with adjustable gas block. Low mass bolt carrier. 15.5" XL free float handguard.

I just ordered the parts for my new upper.

BCM blemished complete flat top upper
20 inch med-con BCM SAM-R barrel 1:8 twist unfluted
JP Bennie Cooley Comp
Rifle length gas
JP adjustable gas black
JP lightened stainless steel bolt carrier
DPMS free float tube (wanted the VTAC but trying to keep cost down)
LMT A2 rear sight
standard front sight to be placed directly behind the comp for longest sight radius possible.
sightlink skinny front post with fiber optic insert


going to throw this on my existing lower until I get a proper stock and a good trigger

you doing what i will do. Build upper (soon), put it on existing lower. Then build nice lower later.

It looks like a 20" rifle gas is quite popular for competition. Now i need to start selecting parts. Where should i look for competition barrels? I want an 1:8 hbar that wont break the bank.

edit:

My 2 cents, you don't want an HBAR. Too heavy. Get a medium contour barrel.


I went the the BCM SAM-R barrel. I thought it was a lot of barrel for the money. There are lots of quality barrels out there.

Agreed.

I have a JP15 upper w/ XL tube on order and am chomping at the bit to get it and shoot the shit out of it

I'm confused.

The BCM SAM-R is an HBAR. That is a very heavy profile all the way to the gas block?

16" - 18" barrel length?
Medium contour - barrel profile?
No - fluted?
1/7 or 1/8 - twist?
from 55gr to 75gr depending on match and distances - What weight are you shooting?
PRI/MSTN - compensator?
Mid - gas system length?
LaRue 13.2 - fore arm?
LaRue - gas block?

yeah, i think i would prefer a lighter set up. Medium contour, 18".

So, 1-7 twist would still be ok for a 3-gun? It is easier to find 1-7 and they seem cheaper than the 1-8.

JMHO....YMMV

1:7 can be used in 3-gun.

A HBAR is heavy profile all the way to the flash hider/comp. The SAM-R is turned down past the gas block. I would have liked to have a slightly lighter contour under the handguards but I wasn't able to find a more suitable barrel for the money (for my personal preference).

You'll love it. 18" with rifle gas I'm assuming?

yup...rifle gas

That's actually incorrect.

An HBAR is heavy under the handguards (1.000" to .920") and then .750" from the gas block forward.

A BULL barrel is heavy profile (1.000" to .920") all the way to the muzzle.

http://www.ar15barrels.com/profiles.shtml

The SAM-R barrel profile IS a Heavy Barrel (HBAR)

http://www.wordiq.com/definition/USMC_SAM-R

I agree with what you said. Those weren't recommendations.... those were answering the OP's questions.... "what am I running".

1:8 has no advantage over 1:7.... you can have a preference but there is not advantage or disadvantage to either twist rate for typical 3-gun loads, they will both stabilize and have good accuracy potential for any typical load from 50gr to 77gr.

I stand corrected!


The parts are all here finally.













:D

Getting new gun stuff is always fun.

This thread needs more pics.

I was convinced I wanted to go with a 16" midlength gas upper.

Now I'm leaning toward an 18" rifle length gas upper.

Decisions, decisions.

barrel length? Noveske 17" mounted in Vltor MUR with Young Lightened NM carrier
barrel profile? light/medium weight custom contour
fluted? no
twist? What weight are you shooting? 1/7 shooting 55 Hornady FMJBT to 200 and 69 SMK's from 200 out
compensator? SJC Titan
gas system length? rifle
fore arm? Troy 13" Extreme
gas block? PRi lo profile

Barrel Length: Depending on the match, 16" mid or 18" rifle
Barrel Profile: Medium contour
Fluted: If it were available...sure. It looks cool.
Twist: 1:8. Does EVERYTHING right; 69 gr. SMK's with the occasional 77gr. SMK (Hornady's SUCK!)
Compensator: Triangle Shooting Sports Rolling Thunder (16"), JP-Bennie Cooley comp (18"). I would also use the DPMS/Miculek, SJC Titan and Surefire brakes
Gas length: 16" = mid length; 18" = rifle length
Fore arm: 16" = JP-VTAC XL; 18" = JP rifle length
Gas Block: 16" = JP low profile; 18" = JP standard

Hope that helps.

Rich

barrel length? 18"
barrel profile? Mk12
fluted? No
twist? What weight are you shooting? 1:8, 55
compensator? Miculek
gas system length? Rifle
fore arm? Clark Custom Carbon Fiber Ff Tube with accessory rail
gas block? YHM Steel Railed Block

just finished it I think
DPMS upper& lower
RRA 2 stage trigger
20" 1:9 olympic barrel
rifle length gas
dpms free float handgaurd which was also FREE
Miculeck comp
Ace skeleton stock
Millet DMS scope
YHM picatinny gas block
this thing runs great almost no recoil. The miculek comp is real loud, but it works really well

Tac Irons:
20" BM, fluted, 1/9 Chrome lined, 55gr < 200 & 75gr Hornady OTM >200, Miculek comp, A2 FSB, standard hanguards for now.

Tac Optics:
16" wilson CM, 1/9 HBAR, mid-length, same loads as above, same comp, YHM flip up sight gas block and handguards for now.

Noveske 18" SS
Troy Extreme BattleRail 13"
SJC Titan Break
VLTOR MUR upper
Vltor/BCM charging handle medium
Trijicon Accupoint TR24R in LArue SPR-E mount

I will play...

Just got the upper back.

18" WOA rifle length SPR barrel with a custom comp, JP Enterprises adjustable low profile gas system, JP XL free float tube (F'n awesome!), JP short range sight mounted at 1-2 o'clock, Custom Lightened BCG, Burris XTR 1-4 in LaRue mount. ACE skeleton with fancy wrap instead of the foam.





I can not wait to run a few hundred rounds through this thing.

I took an M16A2 barrel ( 1:7 govt. profile. chrome) and had it cut to 18"
JM brake, intalled, and timed.

JP handguard

LARUE SPR-E

BURRIS 1-4x XTR







The lower has a JP trigger kit
and a standard A1 stock, it's quick and smooth into the shoulder.


I'm REALLY happy with this rifle.
If I had to do it over again, I wouldn't change a thing.

How do you like the JP short range sight mounted at 1-2 o'clock?

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