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Posted: 7/29/2015 12:54:46 PM EDT
[Last Edit: M249_junky]
I know there have been a few threads on the USMC Squad Advanced Marksman Rifle over the years. Word is there were only about 100 ever fielded but it is still a cool build.
http://www.ar15.com/forums/t_3_118/389104__ARCHIVED_THREAD____Show_us_your_SDM_R.html&page=1 The SDM-R specs. Per Wiki that I can only assume some of the guys here contributed to. The original test weapon was a modified M16A4 rifle with a free-floated 1:7 stainless steel match grade heavy barrel, a "M1913 modular rail system" (this most likely implies the use of the Knight's Armament Company Free-Floating Rail Adapter System) and an M16A1 trigger assembly (semi and full-auto functioning). A number of day optics were used initially, which included Hensoldt Blitz, Leupold CQ/T, ACOG, Leupold TS-30A1 and ultimately the Leupold TS-30A2. The test night optic was the AN/PVS-17B, apparently now being fielded with USMC combat units though the AN/PVS-22 is preferred. The later SAM-R was roughly a modified M16A4 pattern rifle:
ETA Posted the wong pic and adding more info.  Per request I'm adding in the Army SDM-R rifle to the thread as well. Specifications[edit]
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Posted: 6/4/2019 10:11:43 AM EDT
[Last Edit: 5pt56]
[#1]
Quote HistoryDamn fine looking SAM-R!
Please tell me you've shot her!!!! 
ETA: Throwback pic for top of page! 
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Posted: 7/6/2019 3:51:55 PM EDT
[#2]
I will sale my KAC gasblock and KAC rail. Both are new in box. I thought I’d see if there was any interest here before they go on eBay.
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TX, USA
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Posted: 7/21/2019 9:59:15 PM EDT
[#3]
Are the KAC fsgb & Rail still available?
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TX, USA
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Posted: 9/12/2019 2:52:37 PM EDT
[#4]
Hell yeah there’s interest lolol.
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USA
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Posted: 9/13/2019 1:10:33 AM EDT
[#5]
There is a used FSGB for sale on gunbroker for about $1500.
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TX, USA
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Posted: 9/22/2019 9:11:29 AM EDT
[#6]
I emailed the guy multiple times and can’t get a response from him.
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TX, USA
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Posted: 9/22/2019 9:13:14 AM EDT
[#7]
In other news, how bad of a f***up is it to use the ARMS #41B-L in place of a standard A2 sightpost on an SDM-R?
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Posted: 9/22/2019 9:35:07 AM EDT
[#8]
Quote HistoryOriginally Posted By cscott90x:
In other news, how bad of a f***up is it to use the ARMS #41B-L in place of a standard A2 sightpost on an SDM-R? |
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TX, USA
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Posted: 9/22/2019 11:23:13 AM EDT
[#9]
I know it wouldn’t be a SAM-R lol, I’m definitely going SDM-R with that one. I found a DD M4 12.0 with the “octagonal “ collar, AND a proper MIL/Gov restricted roll marked A2 lower. I just wonder how much of an insult it would be to use the 41B-L with it.
I do want to build a SAM-R, obviously clone correct with a FF RAS and the KAC folding fsgb, but I have a better chance of winning the lottery at this point 🙃 |
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Posted: 9/28/2019 10:31:59 PM EDT
[#10]
Quote HistoryOriginally Posted By Samson-Dogg:
I've also learned there were a lot of personally owned scopes mounted on different guns. To me it seems totally plausible. I just caught hell on a regular basis for pushing the idea. Just can't make myself ditch it.
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Posted: 9/28/2019 10:38:10 PM EDT
[#11]
Quote HistoryOriginally Posted By USGI:
There is a used FSGB for sale on gunbroker for about $1500. 
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Posted: 10/15/2019 5:37:38 PM EDT
[#12]
Huge shouts out need be observed. First however, some back story.
I managed to source, as noted not far above, the appropriate Savannah marked DD 12.0 w/the appropriate “octagonal” locking collar from the EE. Unfortunately, this bit of dinosaur tech did not have it’s timing/antirotation pins. The fine gentlemen who run the parts and archives departments at Daniel Defense managed to stash and consequently dig up for me, quite possibly the last spare set of those anti rotation pins, excluding their archives. Second, and bar none the biggest shouts out to @5pt56 who has come through in the most clutch fashion of all time to supply me with a proper KAC Locking Front Folding Sight. You sir are a scholar and a gentleman
Needless to say, y’all know what’s going down now. |
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Posted: 10/15/2019 7:17:43 PM EDT
[#13]
Quote HistoryOriginally Posted By cscott90x:
Huge shouts out need be observed. First however, some back story. I managed to source, as noted not far above, the appropriate Savannah marked DD 12.0 w/the appropriate “octagonal” locking collar from the EE. Unfortunately, this bit of dinosaur tech did not have it’s timing/antirotation pins. The fine gentlemen who run the parts and archives departments at Daniel Defense managed to stash and consequently dig up for me, quite possibly the last spare set of those anti rotation pins, excluding their archives. Second, and bar none the biggest shouts out to @5pt56 who has come through in the most clutch fashion of all time to supply me with a proper KAC Locking Front Folding Sight. You sir are a scholar and a gentleman
Needless to say, y’all know what’s going down now. 
Glad to pass it along to you brother! |
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Posted: 11/8/2019 2:29:40 PM EDT
[#14]
Quote HistoryOriginally Posted By cscott90x:
Huge shouts out need be observed. First however, some back story. I managed to source, as noted not far above, the appropriate Savannah marked DD 12.0 w/the appropriate “octagonal” locking collar from the EE. Unfortunately, this bit of dinosaur tech did not have it’s timing/antirotation pins. The fine gentlemen who run the parts and archives departments at Daniel Defense managed to stash and consequently dig up for me, quite possibly the last spare set of those anti rotation pins, excluding their archives. Second, and bar none the biggest shouts out to @5pt56 who has come through in the most clutch fashion of all time to supply me with a proper KAC Locking Front Folding Sight. You sir are a scholar and a gentleman
Needless to say, y’all know what’s going down now. |
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PA, USA
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Posted: 1/1/2020 11:37:05 PM EDT
[#15]
Happy New Year.
-Incorrect optic setup removed. it won't be getting an MR/T because it's my 1000yd setup in .224Valk. I wish someone had pics with a 3-15 NF, that would be tits on this. -Turner/MRT sling soon Carry on. 
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Posted: 2/22/2020 9:43:55 AM EDT
[#16]
btt
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PA, USA
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Posted: 2/22/2020 1:22:07 PM EDT
[#17]
Quote HistoryOriginally Posted By 44Echo10:
btt 
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Posted: 2/22/2020 7:22:00 PM EDT
[#18]
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Posted: 2/22/2020 7:45:29 PM EDT
[#19]
Quote HistoryOriginally Posted By HaveBlue83:
Yeah it died in here :( https://i.postimg.cc/cLz5FXPG/IMG-20200129-160811214-HDR.jpg Quote HistoryOriginally Posted By HaveBlue83:
Originally Posted By 44Echo10:
btt https://i.postimg.cc/cLz5FXPG/IMG-20200129-160811214-HDR.jpg  Guess I'll stick to the MK12.Found an aluminum replica used on something Colt had made at CDNN, thought about hiding a small gas block under the handguard at midlength...then thought better of it. |
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Posted: 2/23/2020 4:36:08 PM EDT
[#20]
I’ve got another SAM-R being assembled by D.wilson I’ll post up soon. He’s doing another project that I’ve been wanting forever. Totally stoked it’s happening. I had another fsgb so figured might as well. Can’t have too many SAM-R’s.
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USA
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Posted: 2/23/2020 10:53:22 PM EDT
[#21]
whats the next best front sight to use ? im dying to break on that 20'' compass lake. and don't want to wait twenty more years for a front sight base.
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ITA
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Posted: 2/24/2020 3:06:19 AM EDT
[#22]
Quote HistoryOriginally Posted By BSOG1:
whats the next best front sight to use ? im dying to break on that 20'' compass lake. and don't want to wait twenty more years for a front sight base.
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PA, USA
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Posted: 2/24/2020 8:21:51 PM EDT
[#23]
Quote HistoryOriginally Posted By BSOG1:
whats the next best front sight to use ? im dying to break on that 20'' compass lake. and don't want to wait twenty more years for a front sight base.
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TX, USA
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Posted: 2/24/2020 9:30:36 PM EDT
[Last Edit: CMCctx]
[#24]
Quote HistoryOriginally Posted By HaveBlue83:
Where this is a mill, there is a way. 
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PA, USA
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Posted: 2/24/2020 10:14:02 PM EDT
[#25]
Quote HistoryOriginally Posted By CMCctx:
@HaveBlue83 Go ooooooon 
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Posted: 2/25/2020 8:42:47 PM EDT
[#26]
Quote HistoryOriginally Posted By HaveBlue83:
Where this is a mill, there is a way. Quote HistoryOriginally Posted By HaveBlue83:
Originally Posted By BSOG1:
whats the next best front sight to use ? im dying to break on that 20'' compass lake. and don't want to wait twenty more years for a front sight base.  Good job.
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PA, USA
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Posted: 2/25/2020 8:55:43 PM EDT
[#27]
Quote HistoryOriginally Posted By 44Echo10: LOL! Tried to reply to your IM but your box was full. Sneaky machinist. Good job.I may or may not have $15 into this gas block. I may or may not have 3 spares.
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TX, USA
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Posted: 2/25/2020 8:58:37 PM EDT
[#28]
Quote HistoryOriginally Posted By HaveBlue83:
Cleared it out lol. I may or may not have $15 into this gas block. I may or may not have 3 spares. |
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Posted: 2/26/2020 8:20:55 PM EDT
[#29]
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PA, USA
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Posted: 2/26/2020 9:32:44 PM EDT
[#30]
Yes, but u gotta do some things and stuffff to it.
Good luck i aint giving away my secrets. I waited 2 years to make a SAM-R. lol |
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USA
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Posted: 2/26/2020 10:22:39 PM EDT
[#31]
does this work ?
Quote HistoryOriginally Posted By 44Echo10:
http://www.cromwellsfirearms.com/index.php?route=product/product&manufacturer_id=588&product_id=84742 |
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Posted: 2/26/2020 11:13:04 PM EDT
[#32]
Quote HistoryOriginally Posted By BSOG1:
does this work ? Quote HistoryOriginally Posted By BSOG1:
does this work ? Originally Posted By 44Echo10:
http://www.cromwellsfirearms.com/index.php?route=product/product&manufacturer_id=588&product_id=84742 |
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PA, USA
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Posted: 2/26/2020 11:38:13 PM EDT
[#33]
Quote HistoryOriginally Posted By SecretSquirell:
Says it's for rimfire, so no gas porting. Looks like it's made of steel (opposed to the cast AL the like the others out there), so in theory, it could be machined to accept a gas tube. |
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TX, USA
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Posted: 3/28/2020 11:52:52 PM EDT
[Last Edit: Texan556]
[#34]
Figured I should add to the archive, sorry about the picture quality. I was a designated marksman for 3ID & carried a SDM-R into Iraq 2007. Now I am finally getting around to building a clone for myself, I loved that rifle dearly and can't wait to have my copy finished!
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MN, USA
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Posted: 4/18/2020 10:35:50 PM EDT
[#35]
I have the original documents for the SAM testing in 2003, someday I'll get them all scanned into a PDF to share with you guys. Some pretty cool info in there!
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Posted: 5/16/2020 1:23:09 AM EDT
[#36]
Tired of the shiny so I pulled the barrel and cerakoted it black
 
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PA, USA
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Posted: 8/12/2020 9:00:19 PM EDT
[#37]
bump for GWOT
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Posted: 8/12/2020 9:48:48 PM EDT
[Last Edit: SecretSquirell]
[#38]
Wrong tab.
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PA, USA
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Posted: 8/12/2020 11:03:35 PM EDT
[#39]
Quote HistoryOriginally Posted By SecretSquirell: Wrong tab. the Sammy is GWOT as F, good sir :). I couldnt find this thread...had to google it, it was so far back.....Lol |
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Posted: 8/13/2020 6:58:38 AM EDT
[#40]
Quote HistoryOriginally Posted By HaveBlue83: the Sammy is GWOT as F, good sir :). I couldnt find this thread...had to google it, it was so far back.....LolQuote HistoryOriginally Posted By HaveBlue83: Originally Posted By SecretSquirell: Wrong tab. the Sammy is GWOT as F, good sir :). I couldnt find this thread...had to google it, it was so far back.....LolI wasn't refuting your post, I replied to this thread when I meant to reply to another. |
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Posted: 8/13/2020 11:28:29 AM EDT
[#41]
My dilemma right now is....I finally acquired the proper KAC folding sight/gas block and the FF RAS rail, but I'm trying to justify building yet another AR-15 (as much as I truly love to do it as well as my first AR-10 style) right now when I feel I have a good mix of SBR's/16" carbines/20" intermediate range rifles (MK12 Mod1 suppressed, 20" A2). So beyond the upper/lower set that I already have...I need to buy barrel, optic, BCG, FCG, stock, etc.. As I've spent the past 10+ years building out my collection, but now realizing I want/need other preps for SHTF/unrest (NOD's, body armor, laser/thermal aiming, etc.)..and a shortage of trigger pullers in the house (wife and 3 daughters), its hard to justify now. Same issue with the basic parts I've acquired for a MK11 Mod 0 build....that gets even more complicated and expensive.
So sell those key parts or hold for the future? |
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PA, USA
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Posted: 8/13/2020 12:50:41 PM EDT
[#42]
i suggest this:
part out the mod 1 to make the SAM-R. take optic, rings, rail. you have the gas block, you MUST SAM-R it. -take remains of mod 1 and build the correct Mk12: Mod 0, and put whatever 3-12 ish optic you want on it. |
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Posted: 8/13/2020 9:27:49 PM EDT
[#43]
Quote HistoryOriginally Posted By NukeThemTillTheyGlow: My dilemma right now is....I finally acquired the proper KAC folding sight/gas block... So sell those key parts or hold for the future? How good are your chances of finding another one? |
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PA, USA
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Posted: 9/10/2020 12:35:44 PM EDT
[#44]
still a lovely platform to prone out and relax with....
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TX, USA
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Posted: 9/10/2020 1:04:33 PM EDT
[#45]
I gotta stop looking at this thread. I can't stomach $1500 for the FSGB, but I also can't stop the want from bubbling up. C'est la vie.
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MN, USA
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Posted: 9/10/2020 2:09:21 PM EDT
[#46]
How hard is it for someone to reuse a KAC gas block that has been mounted to a barrel with taper pins previously? Uhh, Asking for a friend.
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PA, USA
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Posted: 9/10/2020 2:42:29 PM EDT
[Last Edit: HaveBlue83]
[#47]
if you cheat, the fsgb only costs $29.95 + mill time :)
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Posted: 9/10/2020 3:09:51 PM EDT
[#48]
Quote HistoryOriginally Posted By secretwheelman: How good are your chances of finding another one? Quote HistoryOriginally Posted By secretwheelman: Originally Posted By NukeThemTillTheyGlow: My dilemma right now is....I finally acquired the proper KAC folding sight/gas block... So sell those key parts or hold for the future? How good are your chances of finding another one? |
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Posted: 9/10/2020 3:38:58 PM EDT
[#49]
Quote HistoryOriginally Posted By CMCctx: I gotta stop looking at this thread. I can't stomach $1500 for the FSGB, but I also can't stop the want from bubbling up. C'est la vie. I know what you mean! I thought about going the SDM-R route with an FSB but I can't find the Daniel Defense M4 Rail 12.0. |
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Posted: 9/10/2020 11:25:02 PM EDT
[#50]
Quote HistoryOriginally Posted By CMCctx: I gotta stop looking at this thread. I can't stomach $1500 for the FSGB, but I also can't stop the want from bubbling up. C'est la vie. |
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