PapaZorro 401 Posted October 30, 2012 Report Share Posted October 30, 2012 (edited) Common Russian Muzzle Attachments for Saiga-12/Vepr-12 Review Short review of different muzzle attachments, that are used with Vepr-12/Saiga-12 and some other shotguns by Russian shooters. The muzzle attachments in the review: Flash hiders (FH), Muzzle Brakes (MB), Compensators (C), Muzzle Brake-compensators (MBC), chokes & paradox (Chokes). Efimov design MBC The most common MBC in Russia are models based on the same idea, now well known as "Polygon Muzzle Brake-compensator", that was suggested by Russian IPSC shooter Efimov Eugeny. His device has two cambers: first one works as Muzzle Brake, second one as Compensator. Molot Chief Constructor Mr. Sergey Urzhumtsev told me that first dosen of them was made by Molot and one still used during test-shootings. Then production of Efimov design Muzzle brake-compensator was moved to "Polygon" LLC in Chelyabinsk, and became known as "Polygon MBC". Pics of Original Efimov MBC for Saiga-12/Saga-20 made by Polygon The pics of Original Efimov MBC, that was modified by Vsevolod Ilyn. He added the additional holes for Up and Right compensation + increased the window in the second chamber for more Up compensation. Later "Guns Tuning Laboratories" started to make their own version of MBC based Original Efimov MBC (Polygon). I talked to the owner & Technical Director of "Guns Tuning Laboratories" about their PSH-2 several years ago. Their main business is to repair Trucks engines & transmissions, making Muzzle-brakes is a kind of hobby due to the Owner has Saiga-12 and likes shooting. They told that "Polygon" design was taken for their PSH-2 but they used Computer based Math models for the Hot Gases for their design, they recalculated the volumes of the first and the second chambers, increased the "window" in the second chamber & improved the "gills" as in number as in geometry making them like nozzles. As everybody knows, nozzle are more effective then standard outlet. The pic of Guns Tuning Laboratories PH-2 The pic of Guns Tuning Laboratories PH-4-S-12-MR The same time Eugeny Efimov improved his own design, adding a couple of gills in the first chamber, and redesigned the second one splitting it for tree compensation chambers. Here is the pic of Improved Efimov MBC with 4 chambers. Ilyn design MBC One of the best MBC on the market based Efimov MBC is GK-01, designed by Vsevolod Ilyn. This Muzzle Brake-compensator does not have a completely new design, but has the most improved "Polygon MBC" design, like Russian T-34 tank is the most improved version of American Christy tank. Using his huge IPSC practice experience for his design, Ilyn used first chamber of Polygon adding 10 similar to PSH-2 MBC or Improved Efimov MBC instead of 8 on "Polygon MBC" & redesign himself the second chamber of "Polygon MBC", that now has a completely new design. He also switched from Steel, that is used for making "Polygon MBC" & "PHS MBC" to Aluminum for his GK-01. Ilyn MBC GK-01 now are made in Russia in cooperation with Vsevolod Ilyn by Molot, Molot Arms, IZHMASH, and in US by CSS, as well as, NoName in China - without. Molot Arms, as well as, IZMASH use D16T Al alloy rods for making their GK-01, Molot , before making their GK-01, prepare Al D16T for production forging Aliminium pigs, as forged aluminium wheels maker do for changing a structure of metal and increasing its safety factor. Now this MBC is well known in US as "Molot GK-01 muzzle brake/ Molot brake", and in Russia as "Ilyn Muzzle Brake-compensator". The pic of Custom Ti Ilyn MBC GK-01 made by Molot The pic of Ilyn MBC GK-01 made by Molot Arms (Al D16T) The pic of Ilyn MBC GK-01 made by IZHMASH (Al D16T) There are some other models of MBC based on Efimov MBC on the market in Russia, here are pics of some of them. The pics of MBC designed & made by "Cheaply" Edited October 30, 2012 by PapaZorro 2 Quote Link to post Share on other sites
PapaZorro 401 Posted October 30, 2012 Author Report Share Posted October 30, 2012 (edited) JP design MB There are some models based on JP MB. This are "pure" muzzle brake. The pics of JP adapted for Vepr-12/Saiga-12. The pic of JP MB that was modified by Vsevolod Ilyn for working as MBC. On this pic is also Efimov MBC modified by Ilyn and Compensator for Vepr-12. Edited October 30, 2012 by PapaZorro 2 Quote Link to post Share on other sites
PapaZorro 401 Posted October 30, 2012 Author Report Share Posted October 30, 2012 (edited) Various design MBC The pics of MBC designed by WILD The pics of Compensator ( C ) based on Fabarm design The pics of MBC designed by Ascer The pic of Mossberg Road Blocker MB similar to Barrett .50 MB that is used by Jerry Mickulek on his shotgun. IMHO this MB can be adapted for Vepr-12 as JP. The pic of MB based on idea that used by Mosberg and Barrett, and modified by Russian shooters, making MBC instead of pure MB. There are some pics of compensators that are used with Saiga-12/Vepr-12 Various MB, MBC & C for Saiga-12/Vepr-12 Various of FH & Chokes for Saiga-12/Vepr-12 There are pics of some FH & Chokes, that are used in Russia with Saiga-12/Vepr-12 Pics of various of FH & Chokes made by Molot & IZMASH on Grizliks Vepr-12 VPO-205-03 Pics of paradox for Vepr-12/Saiga-12 made by Molot Pics of paradox for Vepr-12/Saiga-12 made by IZHMASH to be continued.... Edited October 30, 2012 by PapaZorro 4 Quote Link to post Share on other sites
Dad2142Dad 6,559 Posted October 30, 2012 Report Share Posted October 30, 2012 Damn Papazorro, excellent information. Wish one of the business members would start importing these. So many choices Quote Link to post Share on other sites
datubie 21 Posted October 30, 2012 Report Share Posted October 30, 2012 Fantastic article!! Quote Link to post Share on other sites
PapaZorro 401 Posted October 30, 2012 Author Report Share Posted October 30, 2012 Damn Papazorro, excellent information. Wish one of the business members would start importing these. So many choices But you don't need import JP & Road Blocker, IMHO good choice for guys who need only good MB, not MBC 2 Quote Link to post Share on other sites
datubie 21 Posted October 30, 2012 Report Share Posted October 30, 2012 I wan't even aware you could buy Road Blocker MR's. I was under the impression that that only came attached to barrels. So you needed to buy the lot and remove the brake. Damn Papazorro, excellent information. Wish one of the business members would start importing these. So many choices But you don't need import JP & Road Blocker, IMHO good choice for guys who need only good MB, not MBC Quote Link to post Share on other sites
Reverendfranz 160 Posted October 30, 2012 Report Share Posted October 30, 2012 Very nice collection of design information, thank you for posting. Personally, i would like to see a mini GK-01 design. I like the style and concept, but I am not a competitive shooter and just can not justify hanging a chunk of metal nearly the size of an AK receiver off the end of my barrel, no matter how well it works. Quote Link to post Share on other sites
plattner01 3 Posted October 30, 2012 Report Share Posted October 30, 2012 (edited) wow lots of cool muzzles now we just need someone to sell them to us!! i hope that the chokes are next to make it over here from russia. Edited October 30, 2012 by plattner01 Quote Link to post Share on other sites
alternety 7 Posted October 30, 2012 Report Share Posted October 30, 2012 A really helpful thing would be a nice controlled set of tests to rank the most effective designs. Then import them of course. Quote Link to post Share on other sites
PapaZorro 401 Posted November 4, 2012 Author Report Share Posted November 4, 2012 Nice pic of muzzle brake and Vepr-12 Red dot mount Quote Link to post Share on other sites
PapaZorro 401 Posted December 7, 2012 Author Report Share Posted December 7, 2012 Here is my custom choke adapter/muzzle brake/compensator. The MBC is based on the "Cheaply" design and was welded to Cobra 76's choke adapter. The OL is 6". The front baffle is shallower than I liked, but my machinist was limited to 1.5" diameter stock. Saiga 12 in slug mode IMHO, very good US custom made by turbotezza MBC based on the "Cheaply" design for his Saiga-12. Quote Link to post Share on other sites
PapaZorro 401 Posted September 1, 2013 Author Report Share Posted September 1, 2013 For "UNLUKY" users of Vepr-12 VPO-205-01 with pinned fixed Flash Hider who whats to use Muzzle attachments such as chokes/parapox/MBC in Russia Molot designed such VPO-205-01 Adapter. 1 Quote Link to post Share on other sites
PapaZorro 401 Posted September 27, 2013 Author Report Share Posted September 27, 2013 Here are some pics of my Original Molot Muzzle Attachments: Stock GK-01 made from Al, that was forged before machined Custom GK-01 made from Ti Short 70 mm Molot Chokes 0,5 and 1,0 Molot 160 mm Paradox Molot FH (Cylinder Choke 0,0). Chokes and Paradox (have 18,5 mm entrance ID) can be use with GK-01 / PSH-2 or Original FH that comes with Vepr-12. 2 Quote Link to post Share on other sites
PapaZorro 401 Posted November 3, 2013 Author Report Share Posted November 3, 2013 Some more pics of Muzzle Attachments made by Molot Original FH (side & chamber view) Original Short (70 mm) Chokes (side & muzzle view) Original Short (70 mm) Paradox (side view) Original Short (70 mm) Paradox (muzzle view) Original Molot Choke adapter for installing Bekas 12 Ga shotgun chokes and Paradox Tech Data Choke adapter length: 70 mm Bases alignment: not more than 0,05 mm Deviation of the mean point of impact at 35 m (when sleeves are changes ): not more than 150 mm Molot Choke adapter C (0,0) and Bekas shotgun Muzzle Sleeve (Choke) (side view) Molot Choke adapter C (0,0) with Bekas shotgun Muzzle Sleeve (Choke) installed (chamber view) Molot Choke adapter C (0,0) with Bekas shotgun Muzzle Sleeve (Paradox) installed (side view) Molot Choke adapter C (0,0) , Bekas shotgun Muzzle Sleeves (Half Choke & Full Choke), Bekas shotgun Muzzle Sleeve (Paradox) (muzzle view) Molot Custom made MBC installed on Short Choke (70 mm) There are some Russian muzzle attachments from Tula The pics of MBC Taktika Tula 20015 The pics of MBC Taktika Tula 003 20018 The pics of FH Taktika Tula 20007 The pics of FH Tula NS-12 1 Quote Link to post Share on other sites
saltydecimator 482 Posted December 31, 2016 Report Share Posted December 31, 2016 sure would liek to see some hard data on what is most effective on all these attachments... or, unless it can just be summed up in one word, "choke"? Quote Link to post Share on other sites
VforVandetta 42 Posted March 29, 2017 Report Share Posted March 29, 2017 sure would liek to see some hard data on what is most effective on all these attachments... or, unless it can just be summed up in one word, "choke"? Shotgun champions and your shoulder will tell you that the most effective through the years is the GK series designed by Vsevolod Illyn. Vepr 12 All Day will feature a series of videos performing a scientific comparison of many popular brakes in the coming months. The V6 brake by Bad Boy Gunz is also extremely effective, and I have been testing the steel version and the aluminum prototype on my gun for the last couple months. This will also be featured on my channel. I believe the answer to your question will be a dog fight between the V6 and the GK-03 for brake supremacy.... -V Quote Link to post Share on other sites
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