Fans of the 20" AR-15/M16


March 19, 2010, 12:51 AM
Please post pictures or comments about your favorite 20" full size ar, including all the things you've done to it or accessories you've added :D

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March 19, 2010, 01:11 AM
For my purposes a 20" ar is pure perfection.

The gun on the left is a white oak uppered .30hrt with a jard trigger, an ace stock that now wears a leupold 2x7x33 ballistic plex scope.

The rifle on the right is a milsurp colt 603 uppered a1 retro

both rifles shoot like a house afire

March 19, 2010, 04:38 AM
I dont currently own a 20 inch rifle. But it will be my next AR. Im gonna set up a DMR rifle similar to what I used in the Army. My unit had mostly M16A4s so I trained MOUT with a full size rifle and can work it well.

March 19, 2010, 04:46 AM
Krochus how is the balance on that 20" heavy barreled rifle with the Ace stock? I'm thinking of adding a Ace ARFX Buttstock to a 20" A2 build I'm contemplating building in the near future.

March 19, 2010, 10:09 AM
20” lightweight barrel with ACOG TA01 on the carry handle.


March 19, 2010, 11:32 AM
My M16A4 clone:

-LMT lower
-CMMG govt spec upper

I have since changed out the mount back to the stock TA51 so it would be correct milspec as well.

March 19, 2010, 11:44 AM
I like my 20", also. The carbine and rifle versions of the AR are different weapons based on the same platform. Each has its merits, and I don't find that either one replaces the other. However, a 16" mid-length does do a decent job of pretending to be both as needed.:)

March 19, 2010, 11:48 AM
My favorite: A lightweight M16A1 clone, alongside its nemesis - the dreaded AKM.
I built this rifle on a DPMS lower, DPMS internals, with an RRA NM trigger and RRA bolt. The 1/12 barrel and upper are NOS USGI Colt M16A1 parts. The furniture (no cleaning kit compartment) and flash suppressor are NOS USGI M16 parts. All the metal parts were Gunkoted semi-flat gray/black to match. It has a USGI M14 sling.
This one, an M16A2 clone, is fun too, but I still prefer the lighter "A1"
I built this rifle on an Eagle Arms lower, DPMS internals. The 1/7 twist Govt Profile barrel (light under the handguads) and upper are BCM. The furniture, bolt and NM trigger are RRA. It has a USGI M14 sling.

March 19, 2010, 01:43 PM
I have a stripped RRA lower in my basement waiting to be joined with the parts (yet to be bought) of a 20" varmint type setup. I'm still deciding on the particulars. :) Love the pics!

March 19, 2010, 02:43 PM
my M16A4 clone :

will put a TA31F on it asap..

March 19, 2010, 03:57 PM
My Colt SP-1... I haven't done anything to it other than feed it lots of ammo. :)

March 19, 2010, 04:44 PM
I love the A4 clones. I just can't see myself spending that kind of money for the ACOG. LOL. I'm building a bare-bones M4 clone first, then building a bare-bones 20" rifle.

March 19, 2010, 04:48 PM
The carry handle is just as milspec as the ACOG... they are not on every rifle and therefore you don't really need one for a correct clone.

My other milspec clone is MK18 build, and it is wearing the LMT rear sight, but not the Aimpoint at the moment.

March 19, 2010, 07:36 PM
Here is my SAM-R clone...

March 19, 2010, 07:49 PM
I HAVE NOT had good luck with putting Carbine length buffer tubes lowers on 20" barreled uppers tho. I now have full length buffer tubes on all the 20" uppers and everything is happy.

March 19, 2010, 07:57 PM
Forgive the garbage pictures; my good camera is in storage with my household goods:

Bushmaster XM15-E2S, ARMS flip-up rear sight and free float rail, LRI front sight, Smith brake, Gas Buster charging handle. Very accurate rifle. It needs a scope, but I've only been shooting at 100 yds lately, and the irons do plenty good at that distance.

March 19, 2010, 08:58 PM
My next AR is going to be an CMP compliant 20" match rifle. I have been dying to try some prone shooting with an AR. I was thinking of an RRA NM rifle but I think I can build it/have it built for cheaper and get a better barrel/chamber. I really like the 20" AR and wish I could have found one available when I bought my last carbine.

March 20, 2010, 08:09 AM
This is my Service Rifle Match gun, built on a Eagle Arms receiver. It's kind of a sleeper in that it has a 2-stage RRA trigger, free-float tube under the hand guard, 1/8 SS Krieger barrel, NM sights and butt-stock weight.

M16A1 ... kind-of-a-clone
I deviated in that it's built on a A2type preban BOHICA M-16-SA receiver, which one of these days I may have shaved to simulate the slab-side (but I'm not in too big a hurry to do it) ... it also has a 1in9 heavy barrel on it.

March 20, 2010, 09:11 AM
Well, I don't have a picture at the moment, but I DO have an NM rifle similar to SkyDriver's. Mine is all stock Armalite, save the 1:7" twist Wilson barrel that was chambered by White Oak.

What I don't understand is why the light-profile is so rare on the 20" platform. It seems to me to be a waste to have a semi-auto .223 that weighs 8.5-lbs bare! Used to get to work with an SP-1 like 1KPerDay's, which was a very nice rifle. Accurate and lightweight, I doubt it went over 6.5-lbs loaded.

Dang, now I want to get a lightweight A4-uppered 20" AR. Thanks guys! :scrutiny:

March 20, 2010, 08:22 PM
Thank you all for posting

March 22, 2010, 04:27 PM

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