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The .45-70 (11.6x53mmR), also known as the .45-70 Government, .45-70 Springfield, and .45-2 1 ⁄ 10" Sharps, is a .45 caliber rifle cartridge originally holding 70 grains of black powder that was developed at the U.S. Army's Springfield Armory for use in the Springfield Model 1873.
Traditional measures of suppressor noise reduction have focused on the change in the peak sound pressure level between suppressed and unsuppressed conditions. Because of the MIL-STD 1474D, the ability to reduce the suppressed level to below 140 dB peak sound pressure level (dB pSPL) was the goal for firearm suppressor manufacturers.
integral suppressor; PMM (9×18mm Makarov) modernized version; OTs-35 (9×18mm Makarov) attaching compensator (upgrade for regular PMs) TKB-023 (9×18mm Makarov) experimental variant with polymer frame, early 1960s; Baikal-442 (9×18mm Makarov) export sporting version Russia Soviet Union: PSM pistol: 5.45×18mm: 1973–present still issued to ...
An integrally suppressed upper receiver group based on the MCX was selected by USSOCOM for the SURG (Suppressed Upper Receiver Group) contract in July 2018. These suppressed uppers would be paired with existing M4A1 lowers in SOCOM inventory. [16] [17]
APC45 – .45 ACP version of the APC9. APC45-SD – Integrally suppressed variant of the APC45. APC556 - An assault rifle variant. Typically chambered in 30-round 5.56×45mm magazines. APC556 PDW - Shortened barrel and shortened stock variant of the APC556. APC308 - 7.62×51mm NATO battle rifle variant.
The Welrod is a British bolt-action, magazine-fed pistol with an integrated silencer that was devised for covert operations during the Second World War by Major Hugh Reeves at the Inter-Services Research Bureau (later Station IX).
Winchester also produced a civilian sporting version of the Hotchkiss, likewise in caliber .45-70 Government, until 1899. 1884 Winchester catalog lists an option to chamber the M1883 in ".40-65 Hotchkiss" cartridge (which may or may not be .40-65 Winchester introduced in 1887), but it's not clear if this variant was ever actually produced.
A VSSM with a 20-round magazine. The AS Val uses a modified Kalashnikov action - a gas-operated rotating bolt combined with an integral suppressor and chambered for the 9×39mm SP-6 cartridge firing a heavy 250 grain bullet at subsonic speed. [9]