DD Mk12. 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 traditional/"actual" SPR rifles had 12" handguards. The Mk12 Mod0 uses the PRI Gen III Handguard, and the addition of the PRI SPR Straight Top Rail. - and I went the Mod 0 route. The MK12 Mod 0 and MK12 Mod 1> were released at time of heighten overseas battle in the Iraq and Afghanistan theaters, and was a rushed release by NSWC Crane, SOCOM and other commands to get a longer-range sniper rifle in the field quickly to mount on M4 and M16 platforms with the same ammunition. In the comparison pictures below, a new PRI Gen II handguard is on the left and an older Gen II(?) I am trying to get some more details on one of my Gen II Mod 0 handguards. The United States Navy Mark 12 Mod 0/1 Special Purpose Rifle (SPR) is a rifle that has been in service with the United States special forces in Operation Enduring Freedom and Operation Iraqi Freedom. NSN 1005-01-562-0913 As used on the Naval Special Warfare Command (NSWC) SPR (Mk12 Mod1), USMC SAM-R, SR15 Match, and others. SPR initially stood for Special Purpose Receiver, but that nomenclature seems to have disappeared as the weapon became a stand alone weapon system, and not just an add on upper as … Some of us aren't. You can see where the suppressor/FSB basically cover the extra 6" worth of barrel. Examples being the original SPR, the Mk12 Mod 1 courtesy /u/ecprevatte, or the later Mk12 Mod 0. The Mod 0 has a weight of 11.70 pounds. But there is also a third real world version, extensively used by “a certain Special Forces Group.” And it is one of the first examples of the “recce” rifle concept on the AR-15 platform. 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 SPR/A, SPR/B, and Mk 12 Mod 1 use ARMS #22 high rings, while due to the increased height from the SWAN Sleeve, the SPR and Mk 12 Mod 0 use ARMS #22 medium rings. An under-the-handguard ARMS #32 Throwlever mount is used to mount the Harris bipod (the ARMS #42 Throwlever mount is used to mount the Versa-Pod); this features a quick release action. So here are some with no can mounted to show: Mk12 Mod 1 courtesy Micah Uchida. Shop Knight's Armament Free Float Rifle RAS Mk 12 Mod 1 with Three 11-Rib Panels | 29% Off 4.8 Star Rating on 4 Reviews for Knight's Armament Free Float Rifle RAS Mk 12 Mod 1 with Three 11-Rib Panels + Free Shipping over $49. Sights Mk12 Mod1 uses the KAC rail forend flip-up front sight and the KAC 600 meter flip-up rear. The Mod 0 uses the A.R.M.S., Inc. #38 SPR Mod. If you are in love with quad rails get the Mod 1. I coulda put whatever I wanted on it - DD, Troy, etc. handguard … The Mk 12, Mod 0 is carried by the U.S. Army Special Forces Rangers. While I've always wanted a Mk12 Mod 0 style rifle, I thought that technology had advanced in the following decades and that I'd rather have a lightweight rifle. So I built around an 18" LaRue PredtAR barrel and Geissele Mk4 rail to have a middle-weight, do-everything gun. Mk12 Mod0 uses the PRI flip-up front sight (in place of standard MK12 gas … My SH/JDM 308 build will have a Mod 0 type PRI handguard. 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. Make sure the shop keep your personal information private before you purchase Chinese Mk12 Mod 0 Style Ar15 Handguards Make sure you can proceed credit card online to buyChinese Mk12 Mod 0 Style Ar15 Handguards while the store protects your information from fraudulents Make sure the customer support is always there to aid you when you place Chinese Mk12 Mod 0 Style Ar15 Handguards order … The major difference in the Mod 0 and Mod 1 is the handguard assembly and the back-up sights. Re: Mk12 Mod0 vs, Mod1 A Mod 0 sans the SWAN sleeve is very light. Rifle Length Long Free Float RAS made by Knights Armament Company (KAC). The Mk 12, Mod 0 NSN 1005-01-504-3275.