Sig Sauer MCX Spear 7.62x51mm NATO 20+1 13" Chrome Moly Steel Barrel, SLX/SLH QD Flash Hider, Coyote Tan Finish, M-Lok Free-Float Handguard, No Brace, OEM Polymer Grip, Ambidextrous Controls, Adjustable Gas Block
Based on the U.S. Army's Next Generation Squad Weapon (NGSW) Rifle. Ambidextrous Bolt Catch/Release. Rear and Side Charging Handle. 6 Position Push-Button. Folding/Collapsing Stock. 2 Position Adjustable Gas Valve. SLX/SLH QD Flash Hider
Brand Sig Sauer
Category Tactical Pistols
Series Spear
Model MCX
Caliber 7.62x51mm NATO
Barrel Length Range 13" to 13.99"
Gun Platform AR10
Operating System Gas Piston
Capacity 20+1
Stock Material Synthetic
Action Semi-Auto
Oal 24.50"
Hand Right Hand
Barrel Finish Black
Muzzle QD Flash Hider
Twist 1:10"
Magazine Type AR-10
Grips Coyote Polymer
Handguards M-LOK
Safety Ambidextrous
Thread Pattern 5 / 8"x24
Barrel Length 13"
Max Capacity 20
Receiver Finish Coyote Cerakote
Weight 9.20 lbs
Stock Finish Coyote
Caliber Dictionary
The Below Information Has Been Provided From Our Gun Caliber Dictionary And Is Meant For Informational Purposes Only. It Is Not Intended to Describe The Unique Specifications For This Ammunition.
The 7.62X51mm NATO cartridge was adopted by the U.S. in the M14 rifle in 1957. NATO adopted it in the same year, but in other platforms. The 7.62X51mm is essentially a shortened 30-06 case, allowing a more compact action and more compact ammunition at very minor cost in performance. A side benefit--which might not have been anticipated--is improved accuracy because of the greater efficiency of the shorter case. Although 7.62X51mm has been largely supplanted by the 5.56X45mm NATO cartridge in service rifles, it is still widely used by militaries around the world and remains a primary cartridge for light and medium machineguns. Due to its exceptional accuracy it is also a very common cartridge for military sniping at ranges to a bit beyond 1000 yards. The civilian version, the 308 Winchester, was introduced in 1952 while the 7.62X51MM was still in the experimental stages. — Craig Boddington
