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8/23/2026 9:15:16 AM EDT
[#1]
Quote History
Originally Posted By FreefallRet:
Geissele lower is clone correct now?


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If you want to clone a Coast Guard rifle
8/23/2026 10:23:35 AM EDT
[#2]
Quote History
Originally Posted By LsuJon:
If you want to clone a Coast Guard rifle
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8/23/2026 10:25:36 AM EDT
[#3]
Quote History
Originally Posted By AggiePhil:

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Honestly they have pretty good kit that’s easy to clone, gen 5 Glocks, super duty rifles and rc2s
8/23/2026 10:58:07 AM EDT
[#4]
Quote History
Originally Posted By LsuJon:
If you want to clone a Coast Guard rifle
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Why is the sky blue?
What makes the green grass grow?
8/23/2026 3:53:35 PM EDT
[#5]
If anyone is looking, have a few items in the EE Here and Here
8/23/2026 11:16:26 PM EDT
[#6]
Is there a thread for the 11.5" versions of these rifles or is this it?
8/23/2026 11:58:24 PM EDT
[#7]
Welp, got a brodband8 Mk16 10.5" rail and a ChemTrailZ Airborne charging handle; anyone else from the thread want to contribute? lol

All I need now is a tan EXPS3-0, Colt 4-position receiver extension, and a Geissele S3G. Got the DD 11.5" barrel with pinned LPG and the other odds n' ends on the way.

But if anyone has an S3G they want to get rid of, let me know. The rest of it I more or less have sorted at good prices, but not finding any decent sales on G triggers at the moment.
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Want To Buy: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Geissele S3G
8/24/2026 6:32:40 PM EDT
[#8]
Quote History
Originally Posted By AggiePhil:
Is there a thread for the 11.5" versions of these rifles or is this it?
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All versions of it. You can post the early 10.3" ones from the very beginning of the program too if you want, any barrel length that was tested or issued counts
Collector, historian, and enthusiast of A.R.M.S. rails, mounts, and accessories.
8/24/2026 7:03:59 PM EDT
[#9]
Thanks, I’m mostly looking for ITW reference pics but having the scroll through 300 pages of banter to find them.
8/24/2026 9:22:10 PM EDT
[#10]
Quote History
Originally Posted By AggiePhil:
Thanks, I’m mostly looking for ITW reference pics but having the scroll through 300 pages of banter to find them.
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you could scroll through the mk18 thread as well
8/25/2026 8:24:41 PM EDT
[#11]
Quote History
Originally Posted By LsuJon:
If you want to clone a Coast Guard rifle
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8/26/2026 12:37:12 AM EDT
[#12]
Friggin' OpticsPlanet.

At 10am this morning, they emailed me to say the DD 11.5" w/ LPG barrel I ordered is backordered for at least 1-2 weeks, and here are some alternatives (they offered me a DD 10.3" -- as if I don't have enough of those, lol).

Next thing you know, by 5pm on the same day, they're sending me confirmation the 11.5" has shipped. Completely on top of their business.
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Want To Buy: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Geissele S3G
8/26/2026 9:22:35 PM EDT
[#13]
OP is a shit show. Their antics during Covid were wild. I had a sizable ammo order placed right as that all kicked off only for it to go on backorder. After several months it was canceled with a note about reallocating supply and resources to meet a greater demand- ie re-listing it at higher prices.
8/29/2026 3:41:08 AM EDT
[#14]
All that's left is to decide on the upper receiver. Do I dig into the clone stash for a C-stamp, or just go with a CAGE code?

As spiffy as it'd look, it almost seems like a waste to use a C-stamp when a CAGE is correct. Not fully decided, but I'm leaning toward keeping the C stash for a rainy day.
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Want To Buy: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Geissele S3G
8/30/2026 8:08:37 AM EDT
[#15]
Quote History
Originally Posted By krdt:
All that's left is to decide on the upper receiver. Do I dig into the clone stash for a C-stamp, or just go with a CAGE code?

As spiffy as it'd look, it almost seems like a waste to use a C-stamp when a CAGE is correct. Not fully decided, but I'm leaning toward keeping the C stash for a rainy day.
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Both correct. Your choice, just grab one that’s how they’re built.
De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
8/31/2026 9:44:43 PM EDT
[#16]
Quote History
Originally Posted By Combat_Diver:

Both correct. Your choice, just grab one that’s how they’re built.
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Yeah, I already went with a CAGE. Still waiting on an EXPS3-0 and for OP to get their shit together and decide when they're gonna ship my barrel. Seems to change every few days, heh.

Anyway, it just struck me as too wasteful to spend a relatively hard-to-get and expensive C-mark upper when it isn't necessary to be period correct. Sadly, I don't quite have Uncle Sam warehouses of spare parts to just be grabbing randomly, lol. Not yet, anyway... not yet.

Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Want To Buy: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Geissele S3G
9/7/2026 10:46:33 PM EDT
[#17]


One of these days, I might actually get the fucking barrel I ordered, heh. OpticsPlanet keeps adding days; first it was 9/4, then 9/7, then 9/14, then 9/18... and on it goes.
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Want To Buy: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Geissele S3G
9/8/2026 10:55:09 AM EDT
[Last Edit: mech4matsnova][Edited] [#18]
Quote History
Originally Posted By krdt:


One of these days, I might actually get the fucking barrel I ordered, heh. OpticsPlanet keeps adding days; first it was 9/4, then 9/7, then 9/14, then 9/18... and on it goes.
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I gave OP two chances on orders in the last few years and got screwed with rolling delays and excuses both times.  Won't use them ever again

Pic thread:

USMC 14.5

Attached File


USCG MSRT 11.5

Taxation without representation
9/8/2026 7:09:30 PM EDT
[#19]
grabbed a 14.5 upper from the Geissele Labor Day sale.  Now I have to review 292 pages to make sure it's set up correctly.
9/8/2026 8:37:34 PM EDT
[#20]
Quote History
Originally Posted By rbnepa2024:
grabbed a 14.5 upper from the Geissele Labor Day sale.  Now I have to review 292 pages to make sure it's set up correctly.
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It won't be.
9/8/2026 9:39:41 PM EDT
[#21]
Quote History
Originally Posted By WTFShane:


It won't be.
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that's 100% correct
9/8/2026 11:02:39 PM EDT
[#22]
Quote History
Originally Posted By mech4matsnova:


I gave OP two chances on orders in the last few years and got screwed with rolling delays and excuses both times.  Won't use them ever again

Pic thread:

USMC 14.5

https://www.ar15.com/media/mediaFiles/349748/1000017302_jpg-3824234.JPG

USCG MSRT 11.5

https://media.defense.gov/2024/Dec/20/2003617682/-1/-1/0/241215-N-GP724-1758.JPG
View Quote


I would've canceled already, but the out-the-door price was lower than most places before tax and shipping, so I'm gonna wait it out, lol.
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Want To Buy: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Geissele S3G
9/18/2026 11:03:59 PM EDT
[Last Edit: krdt][Edited] [#23]


Barrel finally came in and everything is more or less complete; just need to Rocksett the muzzle device and add the UID. Naturally, 3-position Arc-fire with an S3G for maximum 850rpm goodness.

I know the original plan was a CAGE upper, but I was minding my own business, and this C-stamp came along and just perfectly matched the anodizing on the lower. Went through about 6 Colt C and CAGE uppers aside from this one, and most were noticeably a shade or two lighter. But this one was almost a perfect match.

Haven't shot it yet, but just based on initial handling, I'll be honest: I prefer the balance of a 10.3" CQBR. The extra length noticeably changes the balance point. All the same, I'll give it at least a few thousand rounds before I make any determination.
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Want To Buy: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Geissele Mk16 10.5" DDC Gen 1
Yesterday 5:04:12 PM EDT
[#24]
One thing i can say from experience is that a complete G 11.5" URGI gun with .068"-ish GP, running a standard carbine spring and G H2 buffer will run an ASD FRT like a raped ape.

As in i held the trigger back almost as hard as i could to try to induce a malfunction and it refused to quit.  

Of course it cause some excessive wear on the FRT, but that also still works perfectly as well.

G guns are excellent FRT hosts.
Yesterday 9:31:09 PM EDT
[#25]


Took it out yesterday and ran 5 mags through it with zero issues. About the same suppressed RPM as a 10.3" 0.070", maybe a touch lower.

I do have to say, the Mk16 definitely gets hot a lot faster than a RIS II, lol. Even after 2-3 mags of burst fire, I barely even notice the RIS II getting more than warm. With the MK16, 2 mags of bursts spread over 5 minutes or so, and that fucker is getting toasty -- even with gloves. Just the trade-off for a smaller diameter and lighter weight, I suppose.

Long term, it probably won't replace a CQBR Block II as my main shooting/training gun, but I'm going to give it a good go before I say for sure.
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Want To Buy: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Geissele Mk16 10.5" DDC Gen 1

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