Specs. I do have the load at 24.2-24.3 which has no pressure but velocity is around 2640ish. The great barrel, superb fore-end and continuous top rail all combine to make for an exceptionally user-friendly rifle. Any use of this content without express written consent is prohibited. Based on my experiences, rifle length gas systems just shoot softer in general which is probably due to the longer, I guess, pre-dwell time. Re: Mk12 Mod0 vs, Mod1 A Mod 0 sans the SWAN sleeve is very light. But we do know that Lilja barrels and optics in the 2.5-10 range were popular. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Especially if you're going mod 0 with the top rail. Thread starter kb1; Start date Dec 26, 2020; Forums. I could get more velocity by going a grain but I played it safe with the lower charge. As good as TAC is, that is a seriously overpressure load (unless you're seating them 2.260 (long) Have you tried Accurate 2520 at around the 25.6 - 25.8 range? The 18" is inherently more reliable due to longer distance between muzzle and gas port. The answer is probanly not an AEM5 at all, but they look so darn cool I had to keep that. Mk12 Mod 0 vs Mod H performance? No correct answer. The Mk12 platform is just awesome regardless which mod you get. available in 1/7 or 1/8 twist, as well as black or fde finish. Also a guy who used an M4 with RCO and green tip at 600. The Recce Rifle: Builder's Guide to Modern Classic - Everyday Marksman. RIGHT: The Mod 1 also uses the KAC 600 meter flip up rear (KAC part number 98474), … The fire selector switch functions well, and yes, unlike the real steel MK12 Mod 0/1 which is semi-automatic, this one has FULL AUTO mode. Both are gorgeous. MK12MOD0 clones use some discontinued hard to find parts, so people seek them and have driven the prices up on them. MSRP: $29 SPR to M4 Adapter: For properly contoured MK12 SPR barrels, this collar is required to properly mount the AEM2, AEM3, and AEM4. It isn’t one of the first, rather it’s one of the most recent. 50-75fps. Build something else later. Mod H: The Mod H by nature was already a small batch configuration, but even as soon as they were handed back to units, the Ace SOCOM stocks The DPMS Mk12 barrels are NOT properly profiled for a clone. Just put together a Mod 0, and as cools as it looks, it's a bit of a pig. Even a rifle gas 16” in a dedicated suppressed system works. The history goes back to the early 1990s. Shoots softer than a carbine, tad more rough than a rifle with 20" barrel. The PRI fore-end has plenty of length for positional shooting and still leaves enough space for the addition of sling swivel mounts, lasers and night-vision equipment. Primer pockets get loose shooting suppressed with AEM-5, so I mainly shoot it un-suppressed. … I’m getting 2770 using 77smk via my hhh mail we vhand loads and have no problem hitting 2/3 ipsc at 800 yards with the mod H. curious what your load is to get 2770fps from a 16” barrel with 77gr. I also prefer the Mod 1 for weight savings and no loss of accuracy. They will eventually go back to the 12.5, which is the optimal length IMO. Trigger: Knights Armament 2 Stage, Geissele SSA/SSA-E . 12 Special Purpose Rifle (« Fusil à usage spécial »1) est un fusil de précision utilisé par l'US Navy, et en particulier par l'USSOCOM lors des opérations Enduring Freedom et liberté irakienne. Its possible to tweak the gas port size to help this but its a gamble. The original intent was to allow snipers to observe and provide rapid a lightweight precision-fire capability at moderately … Despite the MK12 being used less in the military, it has a growing cult following. February 10, 2021 at 9:08 am. Re: Mk12 Mod0 vs, Mod1 A Mod 0 sans the SWAN sleeve is very light. If imagine 18" with rifle is between mid/16 and rifle/20. 2 Posts . Guest. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. I dont think its going to make much of a difference either way. I plan on taking my 18" "SPR" down to 16", and keeping my 13" MCMR. When I was putting together my "SPR-ish" rifle, I obviously had influence from the original, but had a "what would the setup be today?" NSN 1005-01-562-0913 As used on the Naval Special Warfare Command (NSWC) SPR (Mk12 Mod1), USMC SAM-R, SR15 Match, … February 10, 2021 at 9:08 am. If you are in love with quad rails get the Mod 1. The original SEAL Recce Rifle was an in-house modification to M4 carbines. Gas port sizes have a great deal to do with recoil as well. The original intent was to allow... Great read. I just don't care for an AR with a barrel over 16". I own both but I find the RECCE more usable. Firearms designed by experts with years of combat experience. The original muzzlebrake was … Pretty much will have 2 of the same rifle (not a bad thing tho lol). The history goes back to the early 1990s. An absolute dream to shoot. You should be able to … That's what I'm working towards, [ARCHIVED THREAD] - MK12 Mod 1.... or Recce, https://www.AR15.Com/media/mediaFiles/356129/OP1EA5u-621739.JPG. Wish I hadn’t scratched the H itch, but did. Aero upper receiver (wanting a colt soon) ARMS #22 H’s. Barrel: Lilja 15.1” 1/7 Twist Stainless Steel midlength gas system w/ Ops Inc Profile, Lilja 16” 1/7 Twist Stainless Steel … Since they were so individualized, there really wasn't a spec. PRI originially supplied the US Navy at NSWC Crane with the round forearm free floating handguard for the SPR rifle, which became the Mk12 Mod0. the MK12 is a little different. For properly contoured MK12 SPR barrels, this collar is required to properly mount the AEM5 or AE22. Honestly, the featureless grip for CA bullshit is kinda convenient for those that don't wrap their thumb around the grip for precision stuff anyway. When I loaded for 5.56 I got 2785 fps using 24.5 grain in gaut brass. The original designation as SPR was intended to mean Special Purpose Receiver but the system was eventually type classified by the Navy as a standalone rifle and designated MK12 Mod 0/.1. Like Centurion Arms, they are a company that possesses a unique insight into the original request for the development of, and the refinement of the MK12 SPR. Semi-Automatic Rifles . Upper Receiver: Colt AF or Keyhole. You are using an out of date browser. I am kinda enamoured with the Mk12 mod 1 but i am sure it is heavy as heck to use. With their work slowing down, Centurion Arms is the go-to company out there giving today’s shooters access to this … I can easily get 2775 in summer and 2750-60 in colder temps with only flattened primers in summer. Trigger Guard: GI. mentality. Because of this, we offer a comparable option in 4150 carbon steel as an alternative for those who feel the same. I prefer the Mod O for esthetics but sold all of mine due to weight issues. When the MK12 was finalized, the acronym would remain the same but what it stood for would be different. It is fun showing people how quiet this system is - truly impressive. Like choosing a blonde or brunette girl. PARTS LIST Lower Receiver. You’ll be spoiled. This collar will work with both MK12 MOD0, and MK12 MOD1 builds. Today's cantilever mounts are so good, I didn't see where the top rail would get me anything. … Selective Fire Trigger Group (Early), Geissele SSA-E (Late) Stock: M16A1, A2 … I have a 16" mid. MK12 Mod 1 Q: I had purchased my MK12 SPR from the guys over at High Caliber Sales. The … Should be a hoot. The Mk 12, Mod 0 NSN 1005-01 … Less weight, more compact, heavy can isn't as far out. Debating either building a Mk12 mod 1, 18 inch barreled upper or a 16" Recce build. JavaScript is disabled. After a time when the perfect storm of the users wanting a match-grade trigger and the bolt-bounce issue was identified, the Special Purpose Receiver … I think a better apple to apple comparison would be a 16” intermediate gas, which is still quite capable in the operating envelope when feeding it 5.56 pressure ammo. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. The SPR rifle was now to be named, the Mk 12. Already had the rail shaved down so the AEM5 will be a flush fit with the 16" barrel. All good. Founded by Frank Galli in 2014, Sniper’s Hide has been offering informational videos, podcasts, and other support to it’s users in one location. Upper Receiver. February 10, 2021 at 9:08 am. It's not a whole lot lighter than my 16" .308. The Mod 0 variant I received for review features PRI’s Gen III 121/2-inch free-float fore-end. The Mk12 Mod0 uses the PRI Gen III Handguard, and the addition of the PRI SPR Straight Top Rail. The nice thing about the MK12 Mod H is the 16 inch barrel and collapsing stock. Get both. It delivers velocity at lower pressures but might spike at the top end. Have hit 800 but if it's variable-windy, don't waste your ammo. O is heavy with an AEM5, but the combo works extremely well. mk12 mod 0 vs mod 1. It may not display this or other websites correctly. Typically they're equipped with a higher power scope and … I was in your same boat. Its going to be heavier, its going to handle like a rifle. Dec 26, 2020 #1 Just put together a Mod 0, and as cools as it looks, it's a bit of a pig . The traditional/"actual" SPR rifles had 12" handguards. I get jumping on people that claim clone, vs inspired. My “recce” is inspired by the idea. The recce rifle, or recon rifle, isn’t really a single weapon, but more a genreof weapons designed to … I have both and prefer the O. Produced by PRI inc, allow 5-10 days for assembly and testing before shipment. Elusive "West Coast" MK12 Variant taken off slain ISIL fighter Samir Al-Hajeed in Mosul, 2017. Yeah man, I can't wait to get my AEM can. Buy once cry once. Beauty contest. - and I went the Mod 0 route. My AEM5 should be here in a month or so to complete my Mod 1. Guest. Notice we do not offer a lot of Stainless Steel barrels.. we are not a fan. it’s a toasty one that if you want to duplicate, work up. In my honest opinion a RECCE is a stop gap. For the rifle made by FN-Herstal, see, (Although many .22 caliber conversion kits are made for the AR-15, the rimfire versions are only cosmetic similar rifles. BCM deviated from the original but adding a VLTOR collapsible buttstock. Cloning take's time, you have roughly 5-6 months until your AEM5 clear's. With Mk262 MOD 1 77 grain ammunition from Black Hills, these rifles were extremely accurate and effective. AA2520 is a great powder for MK262 cloning, I can attest to the speeds Lancer stated. It’s a shooter for sure and doesn’t mind running suppressed. For a better experience, please enable JavaScript in your browser before proceeding. I prefer the 18" and have used both extensively. Grip: Standard A2, Ergo. The Mod H came in between the Mk12 Mod 1 and a later M4 fielded with a 16″ Colt HBAR. The first 16″ precision M4 wore a Lilja Navy barrel and that rifle was the origin of the “recce” term. Steven. Re: Mk12 Mod0 vs, Mod1 A Mod 0 sans the SWAN sleeve is very light. Our least favorite feature is the Stainless Barrel. Help me out guys. Stocks: LMT Sopmod Gen I. Pure personal preference. Trigger Guard: GI. SR-25; M110 Semi … And I also agree on the bipod. The original barrels were custom barrels from Douglas Barrels, Inc. and were renowned for the accuracy they delivered. I mean for super long distances i have my mauser and scar 17. Every time I check out threads like this it makes me wish we didn't get rid of these guns. PX Member. Comes with complete bcg, sights, Allen engineering brake and collar, recce rail, and forearm. Mk12 Mod H . Like the 7.62mm Mk11, the Mk12 could be used in both roles. I’m in a similar dilemma...Mod H or NSW recce. kb1 Sergeant. Rifles. Mk12 Mod0 uses the PRI flip-up front sight (in place of standard MK12 gas … The Mk 12, Mod 0 is carried by the U.S. Army Special Forces Rangers. PRI Mk12 Mod 0 SPR Upper Receiver Group (URG) This is the PRI standard configuration URG for the Mark 12 Mod 0 18" Mark 12 Mod 0 SPR Upper in Black Finish 5.56 Cal. Seal Recce over the Mod 1. Never do it halfway. I’ll prob start at 25g and go to 26. Member. Mod 1. In places like Najaf and Ramadi, we would find ourselves clearing rooms and then engaging the enemy at long range just moments later. You aren’t saving any noticeable weight between the two. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. I'll have a head to head comparison in March when I get back state side with my PRI Mk12/0 build. You should be able to save for a scope by then. I'd take a high quality 16" over a mediocre 18". And it is one of the first examples of the “recce” rifle concept on the AR-15 platform. Manufacturer: Naval Surface Warfare Center - Crane Division Model: Mk12 Mod 0/1 SPR Caliber: 223 rem / 5.56x45mm NATO Barrel: Douglas Premium Air Gauged - SPR Profile Barrel Length: 18" (457mm) Twist: 1:7" Magazine: 20 or 30 Round Detachable Box (M16) Trigger: Knight Armament Corp. PRI originially supplied the US Navy at NSWC Crane with the round forearm free floating handguard for the SPR rifle, which became the Mk12 Mod0. SEAL Recce . All Rights Reserved. A USMC Mk 12 Mod 1 on a range in Iraq. Stocks: ACE … You must log in or register to reply here. I had a mod 1 that I converted to a Mod H for the reasons you state, specifically the oal. Mk12 Mod 0 vs Mod H. greg1147. The Mod 0 uses the A.R.M.S., Inc. #38 SPR Mod. The Recce, is really just a slightly longer barreled carbine. Posted: 7/20/2018 1:55:12 PM EST Buy once cry once. Developed originally by the Naval Surface Warfare Center’s Crane Division for SEALs that needed a rifle with greater lethality than the M4, but in a lighter, more versatile platform than the MK14. Primers show mild cratering, brass sometimes has slight extractor marks. Minuteman. PARTS LIST Lower Receiver. I’ve shot SPR barrels and a few 14.5 and 16 middys. This time shooting 300, 455, and 686 yards in high winds. Cloning take's time, you have roughly 5-6 months until your AEM5 clear's. Mine has a 16” Stealth barrel as well with a 1-6x, Geissele rail, MBT trigger. Probably not a lot of difference in MV. I’ve wanted a MK12MOD1 upper for a while, so … I've shot other 16" 223 ARs out to 400 yards no problem, which is about as far as I would take a shot meant to be lethal with the setup. Had dinner with a group one time that included a guy who killed a Taliban at 900 yards with a Mk12. I think you need to go back to the second half of what I said in regards to what I was responding to... You are definitely correct, and I cant read properly at 3am where I am LOL. Video to show the differences and the options between the mark 12 Mod 0 Gen II and Gen III uppers. I bring y'all yet another video with the "Mock" 12 build. Yes, an 18" with the AEM5 on the end is heavy. PRI Mk12 Mod 0 SPR Upper Receiver Group (URG) This is the PRI standard configuration URG for the Mark 12 Mod 0 18" Mark 12 Mod 0 SPR Upper in Black Finish 5.56 Cal. The recce rifle has since gone on to be a valuable addition not only to the soldier’s tool kit, but the civilian’s as well. Funny you mention AA2520 as I have a lb of it on the shelf and have been meaning to do an OCW with LabRadar using it. The SPR fore-end also has a continuous top rail that makes it possible to mount a scope in traditional rings forward enough … Accuracy was very good too, su MOA out to 300 which was the furthest I had access to at the time. Le Mk. More time and volume for the gasses to expand and drop just a tick. PRI mk12 mod h upper receiver, complete ready to shoot. And i already have a windham regular uppper. My barrel is a Douglas 18" w/rifle gas. Even the original RECCE evolved into the 18” SPR. 6 months ago. The BCM Mod 0 rifle we were sent incorporates an 18-inch BCM stainless steel 410 barrel with an ion bonded black DLC coating. Centurion Arms has made the most functional, precise, reliable rifles available for sale. A U.S sniper looks through the scope of a Mk 12 Mod 1 Special Purpose Rifle. Also seated deep at 2.240 so you can play with pressure signs by seating slightly longer. 18” felt like a boat anchor once my can came in, so I built a 12.5” and it’s night and day feel wise. Since they were so individualized, there really wasn't a spec. Running a MOD 0 and headshots at 600, 2 inch swingers at 500, and consistent torso hits at 700. Not too shabby right? Covers everything I need from a 5.56 gun. Seal RECCE. You have parts on hand, and you were obviously motivated to get the build going. I’m at a crossroads and don’t know what way to go. BCM’s Mk12 Mod 0 Ergonomics. Yea I know its not clone correct but many of the early 18" dmr barrels that were going overseas to units and contractors like the Noveske 18" SPR could be had in a mid gas system. Mk 12 Mod 1 rifle in USMC service in Afghanistan, 2010. The Recce platform was something that sprung up within the NSW and 5th SFG communities that first became the Special Purpose Receiver built by Crane, which was supposed to be installed on any M4 lower. My SH/JDM 308 build will have a Mod 0 type PRI handguard. handguard … PRI Mk12 Mod 0 SPR Upper Receiver Group (URG) This is the PRI standard configuration URG for the Mark 12 Mod … Lower Receiver: Colt/Hydramatic A1 Profile Lower. Its got a slightly longer barrel, and handles more like a carbine. Yeah, I sacrificed some performance but it’s for fun and coyotes out to 350-400 max and it’ll do that just fine. MSRP: $29 Thread Adapter/Protectors: For mounting the AE22 or … My Mk 12 I'd my favorite rifle and the first I always pull out. No other pressure signs. I have a Mod1 and a ModH. DD Mk12. Mine almost always comes off if I … Further Information on the Original United States Navy Mark 12 Mod 0 and Mod 1 Special Purpose Rifle (SPR) The MK12 rifle was one of the beginning stages of "enhanced carbine" concept. Upper Receiver. The TAC load is definitely a pressure load but delivers consistent hits to 750m in reasonable conditions. These things don’t bounce off even at extreme ranges for 5.56. Sniper’s Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Going with the BA 18” on mine probably more a Mod H as I prefer a collapsible stock. Took me a little over a year to finish my Mod 1 bit by bit. Please expand upon this, since the distance on an H/mid length port to muzzle is longer than on a rifle gas 18”... More dwell time from the time the bullet passes the gas port to when it exits the barrel. I swear the thing doesn’t move when you shoot it. Upper Receiver: Colt AF/Keyhole. My two favorite clones are my mod 0 mk18 and mod 1 mk12. Dec 12, 2004 155 5 SoCal. The Mod H would be my next choice. See also. What they came up with is commonly known as the Mk12 MOD 1 and MOD 0 SPR (special purpose rifle), essentially an accurized M16A4 and for its … After having both, Recce is the way to go hands down! Copyright © 1996-2021 AR15.COM LLC. Most people here are familiar with the MK-12 SPRs MOD 0 and MOD 1 rifles, as there have been a few releases in 1/6 by different companies. Stocks: ACE Socom Gen Carbine/Rifle Length, LMT Sopmod Gen I (Various Others) Grip: A2, Ergo (Various Others) Trigger: Knights Armament 2 Stage, Geissele SSA/SSA-E. I'd say the SEAL RECCE or a Mk12 Mod-H. Posted: 7/20/2018 1:44:42 PM EST Either go full-clone or no clone. The original SEAL Recce Rifle was an in-house modification to M4 carbines. How much more performance do you get out of a Mod 0 than the Mod H… Going from 18 to 16, I don’t think you’ll see much difference in weight/feel or performance. Not all 18" SPR's are running rifle length. Lower Receiver: Colt A2 Profile Lower. somthing_different91. Post by on 26th February 2021 in Uncategorized on 26th February 2021 in Uncategorized But we do know that Lilja barrels and optics in the 2.5-10 range were popular. I love shooting my Mod 1. This is a recreation of the original rifle, with parts from PRI, … Also used the Mod1 a decent amount of the time while deployed. After over a month of back and forth I finally made a damn decision. Even parts like the Knights Free Float RAS and proper profiled barrels are hard to find for the MK12MOD1. Barrel: Noveske 16” 1/7 Twist Stainless Steel … Makes for better conditions for the casing in the chamber to shrink back down so it will be extracted more easily, less gas pressure going back is less bolt speed which means less energy battering the bolt and carrier over time. But in fact, NRS is usually more than loyal to cheaters (yet there have been no known case of ban). I actually had an epiphany this week.