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Little secrets of the arms industry. Secret places: https://boosty.to/konev / konev 00:00 Start 0:35 How to leave questions 1:12 Razorenov pistols. 2:49 Echeloned recoil 5:09 Variable force damper 6:52 Curvilinear movement of the bolt 7:02 Yati-Matic 9:08 Weight of the shooter's hand 11:50 Titanium bolt. Razorenov. 13:35 Roller in the Cam pin of the bolt 15:15 Quality of cartridges and reliability 15:54 DVL Lobaeva, CIP, SAAMI 17:50 Who is to blame? And how to do nothing? 19:40 The primer flies out 23:25 Friction, surface contact area and reliability 25:30 Grooving the barrel blank 28:50 Defects in the processing of the outer surface of the barrel 30:35 Cold forging of barrels 31:24 Shooting under water and OTB for AR15 32:45 Cartridges for shooting under water and dual-medium 37:05 Groove for the charging handle. Which design is better? 38:05 AK5, M249, AKV-521 38:48 Telescopic cover Beretta ARX160, Saiga-12 40:35 SCAR or BREN2 41:40 Early generations of AK12 43:00 M16, G36 43:55 Automatic with a barrel stroke. AN-94. 49:14 Shutter speeder 51:00 Self-regulating gas outlet