AR15 Weight Comparisons

AR/M4 AR General Discussion
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Mods, if this belongs somewhere else my apologies

This thread is meant to be a reference for weight comparisons between popular AR-15 options. The only non-AR is the SCAR.

Any added accessories will be annotated. Enjoy!

DI Rifles:
Bushmaster Modular Carbine: 7lbs 3.2oz

Bushmaster A3M4: 6lbs 12.2oz

Bushmaster A3 Target (20" Barrel): 8lbs 9.2oz

Colt SP6920: 6lbs 14.6oz

Daniel Defense DDM4V4: 6lbs 7.4oz

Knight’s SR-15 (w/vfg): 6lbs 14.2oz

LMT MRP: 7lbs 7.2oz

LMT Defender: 6lbs 7.0oz

Noveske N4 (14.5" barrel): 7lbs 1.4oz

S&W M&P15 MOE: 6lbs 5.8oz

S&W M&P15T: 6lbs 11.4oz

Piston Rifles:
H&K MR556: 8lbs 4.2oz

LMT MRP: 7lbs 12.6oz

LWRC M6A2: 7lbs 12oz

LWRC TRICON (w/TD vfg): 7lbs 5.2oz

SCAR: 7lbs 4.6oz

Sig 516 (w/Sig RDS): 7lbs 8.4oz

Personal Rifles:
Primary: 8lbs 5.0oz (w/Aimpoint CompM4s, TLR-1, Larue handstop)

Backup: 8lbs 6.0oz (w/Aimpoint ML3, VFG, Surefire G2)

IraqGunz rifles:

Rifle 1: 11.5 SBR w/can, vfg, tape switch, flashlight, and ACOG TA31 RCO: 9lbs 15.6oz

More rifles to come in the future…

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Cool.

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Good reference point. Thanks for taking the time.

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I think rob_s has a similar thread around here somewhere.

I’m kind of surprised at how heavy the KAC was compared to say, the DD and some of the guns with delta rings, standard barrel nuts and full front sight posts.

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As did Paul from BCM. This post was not meant to take anything away from their input. Just wanted to throw in my input.

I too was surprised to see the weight differences, but I wouldn’t go as far to say the KAC is heavy by any means.

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Thanks Trident. The MR556 is heavy, no doubt. The BUIS wasn’t even installed on this one.

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I agree. I still own an SR15e3 and previously owned a DDM4V1 and always felt the SR15 to be considerably lighter.
I guess it is just balanced more to my liking.

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Balance is a crucial thing. I thought out of my rifles my AK was the heaviest…

… to find out it was actually 10.6 oz lighter than my lightest AR. I was pretty surprised to find that out.

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It will be when you slap in a full magazine :smiley:

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Something I didn’t consider. I do, however, use PALM magazines, which I’m sure would make a difference (maybe not a huge difference) in the loaded weight.

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Hugh I never thought of this. What system DI or piston was the MRP?

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I used both. I segmented the post into three portions, the first being DI, the second being piston, and the third is my rifles.

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Thanks, interesting to see the numbers. As for the AK thing, the paint she is wearing just makes her look fat. :smiley:

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:stuck_out_tongue:

Guess I should of had someone do that water transfer process instead. Next time…

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Very interesting thread. You should weigh some more AKs.

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Thanks Greg. I weighed two CAI’s, two Arsenals, a VZ, and a 556R, but forgot two pics (one Arsenal and the 556), and felt the sample size was too small at the time for the AK forum. I’ll create a thread as I get access to more AK’s.

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I nominate this for Sticky.

Seriously. :cool:

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…nor the DDM4.