M16A4 Accuracy?

[Dionysusigma]

Sometime within the next week, I'm going to go actually fire my M16A4gery, and was curious as to what sort of accuracy I might be able to achieve.

As far as relevant stats go:
- BCM gov't profile barrel w/ A2 flash suppressor, 1:7 twist, chrome-lined
- KAC M5 RAS handguards (non free-float)
- Geissele SSA trigger
- Trijicon TA31RCO-A4
- Federal XM193 and possibly IMI M855
- Max available range of 100yds

Now, I know this isn't going to be on-par with an SR-25, but I'm also hoping it won't be as bad as a Mini 14--what sort of accuracy have you all seen with this particular rifle/setup, or similar?

[Frens]

M855 is not ideal for grouping.
if the barrel is "good" and you find the right ammo I guess you could get 1.5 MOA with that setup.
with handloads, bipod and FF you can easly go sub-MOA

THE question is: how good are you?

let us know how it goes

[Sensei]

I get 2-3 MOA shooting M855 from a similar rifle and optic. Things tighten up a bit using TAP T2 or SSA 77 grain SMK.

[mizer67]

2 MOA supported with irons with an identical barrel and FCG.

55 gr. M193 clone.

[Utah1]

Rifle is a Colt Ar15 lower with a Colt M16A4 upper. Scope is a 3X Tijicon compact. Ammo was 69g Handload. Distance 600 yards.

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[eric0311]

I've got a BCM A4 upper as well, with KAC M5 handguards and Trijicon RCO-A4 optic (Stag/CMT lower)... I've been able to squeeze 3/4-1" groups with Hornady 77gr match rounds and Winchester 60gr Ranger Partition rounds. M855 as well as other ball ammo will usually group around 2 inches. Not bad for a GI-grade rifle... I had similiar experiences with my issued A4. The real fun begins when you can find a range with longer distances and use the RCO to it's full potential.

[Dionysusigma]

Well, it's a moot point for me, anyway.

http://m4carbine.net/showthread.php?t=67112

Maybe I should contact the local recruiter...



http://en.wikipedia.org/wiki/Stormtrooper_effect

[Steeltoe73]

Rifle is a Colt Ar15 lower with a Colt M16A4 upper. Scope is a 3X Tijicon compact. Ammo was 69g Handload. Distance 600 yards.

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Not to sound too goofy, but that photo looks great. Light , time of day, rain coming in, rifle. That looked like a great day. Regarding OP's question. I agree with Frens. The set you mention will do if you will do. You might wring a little tighter with a free float handguard/rail. With gov't profile barrel don't know if it will exactly be DMR material.

[BAC]

Freefloat and lap the barrel and put a good trigger in it and you could probably tighten up groups with any ammo. Borebrush (Chad) on Lightfighter got minute-of-glowstick out of his Spankmeister doing that.


-B

[Alpha Sierra]

Any AR with a quality, free-floated match grade barrel and fed precision-made ammo in a load it likes will shoot sub MOA at 600 yards.

The recipe usually goes as follows: 20" HBAR profile match grade barrel with Wylde chamber, 24.5 grains of Varget in LC or Winchester cases, Remington or Federal match primers, 75/77 grain HPBT match bullets from Hornady, Sierra, Nosler, or Lapua, free float tube under handguards or free float railed handguards.