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Posted: 11/11/2008 2:43:29 PM EDT
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I am looking to build/buy a MK 12.
I want one that is built with good quality parts etc... will last me as long as one can expect it to last. Not really sure which one to go with but I found this one which seems to be a replica of the ones in use with SOF. Anyone have any info on this one or any others that I should look at prior to pulling the trigger on a purchase? http://www.pri-mounts.com/mm5/merchant.mvc?Screen=PROD&Store_Code=PRI&Product_Code=07-6818-SPR-B&Category_Code=UPPER What about these guys? http://www.adcofirearms.com/acc/ProductLine_.cfm?product_category=Complete%20Uppers&subcategory=Rifle%20Uppers They have two uppers and a completed rile listed? |
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If you don't mind a Mod 1 replica, they don't get any more authentic than this.
http://centurionarms.com/products/p002_mk12_mod1_upper.html They even have the correct barrel. Apparently this guy is the only other person outside Crane Division to get this particular barrel for production use. He is also a SF soldier whose rifles have been recommended by Larry Vickers. |
Do you like this? Im thinking about selling just the upper (no lower, scope, or bipod). Cant quite bring myself to list it in the EE yet. Its got 250 rds of BH 77SMK Mk262. I cant even explain to you how I broke it in (nylon bristle brush after each of the 1st 25 rds, then once after each 5 shots, etc.). This is me shooting it, Im sure it could get better. Email if interested.
5 shots me top, 5 shots my best friend bottom. Kinda neat how well we each grouped, he had never shot this rifle before. 100 yds. This is aiming at 1" stick on dots. The cross hairs were bigger than the dot at 100 yds. No idea why this picture company keeps dropping images? 
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I would buy the ADCO upper.
It is cheaper than the PRI plus the ADCO customer service is there to help if needed. Or try to work a deal on this one above. I would like it better if the barrel was gunkoted black. They do sometimes come up for sale on the EE but not too often. A far as uppers go the MK12 mod 0 is an expensive build due to just the cost of the correct parts. It just can't be done for less than 13-1500. |
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There can never be an authentic replica of the Mk 12 since there are a couple of parts that are made in house at Crane. If they say its exactly like they are wrong, if they say its a real Mk12 upper its stolen. Doesn't the word replica just about cover that. What did crane do for the mk12? Mine is built with a Douglas barrel and thought that was the MOST correct. They can also be built with a Noveske,Kriger,Compass lake,WOA and others. Also built mine off a Vltor MUR instead of a regular Colt upper receiver so that is not correct but I like it better. |
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There can never be an authentic replica of the Mk 12 since there are a couple of parts that are made in house at Crane. If they say its exactly like they are wrong, if they say its a real Mk12 upper its stolen. Doesn't the word replica just about cover that. What did crane do for the mk12? Mine is built with a Douglas barrel and thought that was the MOST correct. They can also be built with a Noveske,Kriger,Compass lake,WOA and others. Also built mine off a Vltor MUR instead of a regular Colt upper receiver so that is not correct but I like it better. There are Replicas and Authentic Replicas. You can get a WWII Style paratrooper pants and jacket made out of synthetic material and in size XXXL. It would not in any way shape or form be an Authentic Replica. Your comment about what Crane has done is very funny, makes me ROFL. As to the parts, as Bigbore said, the gas block is one of the Crane Specfic parts, but there are others. |
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Didnt the original poster mention something about Mk12 Mod0? Wheres the crane gas block on a Mod0? Makes me ROFL !
ETA: PSYWAR1-0, You obviously have a vast knowledge of the SPR program. Please elaborate on the other special Crane in house parts used? This could be some good info. |
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OK well acording to wiki. (I know it is not always right for info) they say the MK12 mod 0 is built with these items.
NONE of which are very hard to get parts. If you build it with these parts I can't see where anything crane is called for. I would call it a good replica. Maybe crane built them or made the early ones but it says the histoy is somewhat unknown. http://en.wikipedia.org/wiki/United_States_Navy_Mark_12_Mod_X_Special_Purpose_Rifle |
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Didnt the original poster mention something about Mk12 Mod0? Wheres the crane gas block on a Mod0? Makes me ROFL ! ETA: PSYWAR1-0, You obviously have a vast knowledge of the SPR program. Please elaborate on the other special Crane in house parts used? This could be some good info. Get a Slot to the Armorers course and you too could learn a whole lot of info that is contrary to the conventional wisdom of Arfcom 
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Which armor course are we talking about? Maybe you know someone?
ETA: I think this topic has convinced me I need to hold onto my upper. Since I have another replica of it. I think the word replica is appropriate for these so-called Mk12's. If anything the word clone in the topics or sale ads is not correct, as clone would be an exact duplicate. Good luck buying or building. Since I have 2 Mod0's, I would try to convince you to build a SAM-R or SDM-R. |
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There can never be an authentic replica of the Mk 12 since there are a couple of parts that are made in house at Crane. If they say its exactly like they are wrong, if they say its a real Mk12 upper its stolen. I get where you're coming from, but in truth, there are a handful of authentic, as in real, SPR uppers in the commercial market. And they are not stolen. PRI took back a handful of old Mod 0 uppers from a military branch and replaced them with newer ones. PRI subsequently sold most of the old ones. We go the last two that I am aware of. Here's the ones we had. 
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They even have the correct barrel. Apparently this guy is the only other person outside Crane Division to get this particular barrel for production use. BS Which? That they have the correct barrel or it is exclusive to him and Crane? I'm just going by what I've read in one of Vicker's posts on a different site. Please correct me if I'm wrong. Either way, it doesn't seem that a mod 1 is what the OP is after so I suppose it's a moot point. Thanx Tim for posting this for me - next let me add a couple thoughts to this discussion;
Everyone please understand that the Mk12 SPR as we know it today was originally designed years ago and by current standards some of the components and modfications are not state of the art - such as the set screw gas block. Manty is truly an SME on the SPR and knows the gun inside and out - he can build you a completely authentic as issued SPR or one that features upgrades in build specs as well as parts used - for my collection I wanted one that was to MILSPEC and that is what I got. In addition Monty has sourced parts that are extremely difficult to get in order to build an exact replica - the barrel for instance is only available to Crane and to Monty ; you can get a barrel that looks the same in contour but to get the exact same barrel as the Mk12 has you have to get it from Monty - that is one of the reasons why it took him so long to come to market with this - he wanted to make sure he had his parts sourced out completely The Mk12 SPR is an historically significant rifle as it is the FIRST custom built AR style weapon that is issued to the US Military - and specifically SOCOM (the US Army's DMR would be the other ). That reason alone makes it worth having but getting one from an end user that has used SPR's in the field is icing on the cake. Hope this helps - I will say it again ; if you want one don't wait as the list will not get shorter be safe LAV |
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Do you like this? Im thinking about selling just the upper (no lower, scope, or bipod). Cant quite bring myself to list it in the EE yet. Its got 250 rds of BH 77SMK Mk262. I cant even explain to you how I broke it in (nylon bristle brush after each of the 1st 25 rds, then once after each 5 shots, etc.). This is me shooting it, Im sure it could get better. Email if interested. http://www.photoworks.com/servlet/GetThumb;jsessionid=579DC5CC48F9CC51AF8B91D29D721AF2?596816032,600x800,0,0,0&cb=PW_APM&toh=&svr=web34 5 shots me top, 5 shots my best friend bottom. Kinda neat how well we each grouped, he had never shot this rifle before. 100 yds. This is aiming at 1" stick on dots. The cross hairs were bigger than the dot at 100 yds. http://www.photoworks.com/servlet/GetThumb;jsessionid=579DC5CC48F9CC51AF8B91D29D721AF2?596816027,600x800,0,0,0&cb=PW_APM&toh=&svr=web34 I don't think I could bear to part with that if I were in your shoes. Beautiful. Good luck with your choice. |
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They even have the correct barrel. Apparently this guy is the only other person outside Crane Division to get this particular barrel for production use. BS Which? That they have the correct barrel or it is exclusive to him and Crane? I'm just going by what I've read in one of Vicker's posts on a different site. Please correct me if I'm wrong. Either way, it doesn't seem that a mod 1 is what the OP is after so I suppose it's a moot point. Thanx Tim for posting this for me - next let me add a couple thoughts to this discussion;
Everyone please understand that the Mk12 SPR as we know it today was originally designed years ago and by current standards some of the components and modfications are not state of the art - such as the set screw gas block. Manty is truly an SME on the SPR and knows the gun inside and out - he can build you a completely authentic as issued SPR or one that features upgrades in build specs as well as parts used - for my collection I wanted one that was to MILSPEC and that is what I got. In addition Monty has sourced parts that are extremely difficult to get in order to build an exact replica - the barrel for instance is only available to Crane and to Monty ; you can get a barrel that looks the same in contour but to get the exact same barrel as the Mk12 has you have to get it from Monty - that is one of the reasons why it took him so long to come to market with this - he wanted to make sure he had his parts sourced out completely The Mk12 SPR is an historically significant rifle as it is the FIRST custom built AR style weapon that is issued to the US Military - and specifically SOCOM (the US Army's DMR would be the other ). That reason alone makes it worth having but getting one from an end user that has used SPR's in the field is icing on the cake. Hope this helps - I will say it again ; if you want one don't wait as the list will not get shorter be safe LAV Larry is mistaken in this case. If you want to ask Larry, I'm sure he'll tell you I can get the real barrel as well. The only reason I dont use them is to keep costs down. Its just a standard Douglas barrel turned by Gene Barnett, with an AMU chamber. I use the Wilson turned by John Holliger with the Wylde chamber. There is no noticable performance difference between the two that anyone would ever notice. The Mod 1 and Mod 0 use the same barrel. |
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In 2 conversations with Frank at CLE he told me he supplied original SPR barrels to the govt? Was I mis-imformed?
Lets give this a break down? Upper only, not discussing bipod, scope, or etc! 1. A3 upper supplied originally by Armalite or (up for question) ? 2. SPR barrel 1/8 twist Douglas and Krieger both used supplied by (up for question) ? 3. PRI rifle length FF tube (black) from PRI barrel nut (design change later) 4. PRI flip-up front sight gas block / sight base (design change later) 5. PRI charging handle 6. ARMS 38 PEQ rail from ARMS (design change later) 7. ARMS 40 flip-up rear sight 8. Ops Inc 12th brake / collar from Ron Allen (no design change) 9. BCG mfg, please tell me? PSYWAR1-0? 10.Something I missed (up for question) PSYWAR1-0 / ADCO? So all in all a few of the design changes (like the barrel nut assy) were an upgrade to better the end user product. |
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There can never be an authentic replica of the Mk 12 since there are a couple of parts that are made in house at Crane. If they say its exactly like they are wrong, if they say its a real Mk12 upper its stolen. I get where you're coming from, but in truth, there are a handful of authentic, as in real, SPR uppers in the commercial market. And they are not stolen. PRI took back a handful of old Mod 0 uppers from a military branch and replaced them with newer ones. PRI subsequently sold most of the old ones. We go the last two that I am aware of. Here's the ones we had. http://farm4.static.flickr.com/3178/3037273212_fbaf862d64_o.jpg http://farm4.static.flickr.com/3244/3036437357_2cefa37031_o.jpg Whats with those flip FS gas blocks? They look different from the regular PRI ones. Also it looks like they are pinned to the barrel not just clamped correct? |
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There can never be an authentic replica of the Mk 12 since there are a couple of parts that are made in house at Crane. If they say its exactly like they are wrong, if they say its a real Mk12 upper its stolen. I get where you're coming from, but in truth, there are a handful of authentic, as in real, SPR uppers in the commercial market. And they are not stolen. PRI took back a handful of old Mod 0 uppers from a military branch and replaced them with newer ones. PRI subsequently sold most of the old ones. We go the last two that I am aware of. Here's the ones we had. http://farm4.static.flickr.com/3178/3037273212_fbaf862d64_o.jpg http://farm4.static.flickr.com/3244/3036437357_2cefa37031_o.jpg Whats with those flip FS gas blocks? They look different from the regular PRI ones. Also it looks like they are pinned to the barrel not just clamped correct? As I understand it, those barrels had cut outs so that the 4 smaller set screws would inset. There was also an elevation wheel below the front sight on the earliest PRI flip up front sight gas blocks. That was later changed due to some patten infringement on some French gun or something like that. All that info is about 7th hand to me, so it may not be 100% accurate!!! Someone else here may know the real skinny. Im just a guy who knows a guy who knows another guy who met the man once. 
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As I understand it, those barrels had cut outs so that the 4 smaller set screws would inset. There was also an elevation wheel below the front sight on the earliest PRI flip up front sight gas blocks. That was later changed due to some patten infringement on some French gun or something like that. 
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