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The 6.5mm Grendel is an intermediate cartridge jointly designed by British-American armorer Bill Alexander, competitive shooter Arne Brennan (of Houston, Texas) and Lapua ballistician Janne Pohjoispää, as a low-recoil, high-precision rifle cartridge specifically for the AR-15 platform at medium/long range (200–800 yard).
The AR-15 rifle usually comes chambered for either the military cartridge 5.56×45mm or the .223 Remington. Because of the pressures associated with the 5.56×45mm, it is not advisable to fire 5.56×45mm rounds in an AR-15 marked as .223 Remington, since this can result in damage to the rifle or injury to the shooter. [ 1 ]
The M19 modular rifle, depending on the task and mission, can use 7.62 mm or 6.5 mm barrels. [1] The modification is reflected in the construction of the cross latch on the receiver, which enables easy and quick replacement of the barrel, without disassembling the rifle and without using tools. [ 3 ]
Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name. Data values are the highest found for the cartridge, and might not occur in the same load ...
The 6.5mm Creedmoor (6.5×48mm), [6] designated 6.5 Creedmoor by SAAMI, 6,5 Creedmoor by the C.I.P. [4] is a centerfire rifle cartridge introduced by Hornady in 2007. [7]It was developed by Hornady senior ballistics scientist Dave Emary in partnership with Dennis DeMille, the vice-president of product development at Creedmoor Sports, hence the name.
6.5mm Grendel (6.5×39mm), cartridge designed for the AR-15; 6.5mm Creedmoor, centerfire rifle cartridge; 6.5mm Remington Magnum, belted bottlenecked cartridge; 6.5×42mm, also known as 6.5 MPC (Multi Purpose Cartridge), centerfire rifle cartridge; 6.5×47mm Lapua, smokeless powder rimless bottlenecked rifle cartridge
For an ordinary AR-15 rifle chambered for the .223 Rem/5.56mm NATO, a new barrel, magazine and bolt are required to convert to the 6mm ARC. [7] The 6mm ARC utilizes the same bolt head size as the 6.5mm Grendel , and 6.5mm Grendel-compatible AR-pattern box magazines have also been used successfully with the 6mm ARC. [ 8 ]
The LBC's bolt and barrel are both incompatible with the SAAMI-spec Grendel's bolt and barrel, and retailers are often passing the 264 LBC as a "Type 1 Grendel" and calling the original, trademarked Grendel a "type 2 Grendel," which is the SAAMI spec but with more powder capacity, longer cartridge overall length, bolt compatible with the SAAMI ...