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About 6.8 SPC Ammunition
The 6.8mm Remington Special Purpose Cartridge (SPC) was developed in collaboration with the U.S. military in the early 2000s as an alternative to the 5.56 NATO. The goal was to provide a cartridge with improved terminal ballistics while retaining the benefits of a lightweight platform. 6.8 SPC is especially optimal for use in carbines and short barreled rifles.
Types of 6.8 SPC Loadings
- Full Metal Jacket (FMJ): Like the name suggests, these types of loadings feature projectiles which are adorned with metal jacketing. This jacket is generally made of copper and will cover the tip and sides of the projectile. Typically, the base of the projectile is left uncoated.These types of loadings are well-suited for range use and are some of the most common types of ammo one will encounter.
- Full Metal Jacket Boat Tail (FMJBT): Like FMJ loadings, ammunition of this type features a projectile that is fully encapsulated in a metal jacket. This metal is generally going to be of the copper variety. Typical FMJ projectiles feature a flat base while boat tail projectiles feature a tapered base which resembles a boat tail. This geometry promotes accuracy and high velocities.
- Polymer Tip: Polymer tip projectiles can be common on a variety of loadings across many calibers. Typically, polymer tips accompany a hollow, open pocket which sits below the tip in the projectile. On impact, some polymer tip loadings are designed to expand as the tip presses back against the lead core. Polymer tips are also often utilized to achieve higher velocities and provide better ballistic capabilities to some cartridges. Many calibers which were limited to flat point and round nose style loadings have been granted better velocity due to polymer tips.
Firearms that Use 6.8 SPC Ammo
Firearms chambered in 6.8 SPC are typically AR-15 platforms configured for this caliber. Manufacturers such as LWRC, Barrett, and Stag Arms offer rifles in 6.8 SPC that cater to both tactical applications and hunting. Additionally, one can easily gather the necessary parts and components to assemble an AR-15 in 6.8 SPC of their own. This can come in the form of a complete build or purchasing or assembling an upper receiver to use with an existing lower receiver.
Use Cases for 6.8 SPC Ammunition
- Plinking
- Training
- Hunting
- Defense
- Competition
Popular Brands: 6.8 SPC Ammo
Caliber Name Variations
- 6.8 SPC
- 6.8mm Remington Special Purpose Cartridge
- 6.8 SPC II
- 6.8x43mm
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