Bushmaster AR-15 Varminter A3 Upper Receiver Assembly 223 Remington 24" Barrel
The Bushmaster AR-15 Varmiter A3 Flattop Upper Assembly features a 24" Fluted Extra Heavy Barrel in 5.56mm/.223 Rem. caliber with 11 degree competition crown; heavyweight 1" diameter under the handguard; custom match hybrid chamber with a tighter SAAMI Spec headspace from the shoulder of the chamber to the bolt face, and longer chamber throat or "Leade". This accommodates 5.56mm ammunition without developing higher pressures encountered when firing 5.56mm ammo in a .223 chamber with shorter "Leade" (both calibers can be used safely). Rifling is 1 in 9" twist for optimum performance with most lighter bullet weight varmint cartridges, and the barrel is fluted to increase cooling and reduce weight.
The Varminter Upper's shell ejection path has been modified to drop all your brass in the same place as a convenience for the reloader. A vented forend with bipod/sling stud installed, free-floats the barrel from the barrel nut forward. This Upper is complete with Bolt, Bolt Carrier and Charging Handle.
- Upper Receiver Type: A3 Flat-Top
- Barrel Length: 24"
- Barrel Contour: Not listed by manufacturer
- Barrel Material: Chrome Moly Steel
- Muzzle Thread Pattern: 11 Degree Competition Crown
- Chrome Lined: No
- Barrel Finish: Black Matte
- Twist Rate: 1 in 9"
- Chamber: 223 Remington
- M4 Feed Ramps: Yes
- Muzzle Device: None
- Gas System Length: Rifle
- Gas Block Diameter: Not listed by manufacturer
- Handguard: Vented Free Float
- Sights: None
- Bolt Carrier Assembly Included: Yes
- Bolt Carrier Type: Commercial
- The total weight of the product, including the product’s packaging as it sits on our shelf. Since some products ship directly from the Manufacturer, their weight may be unavailable. Because of variations in the manufacturing process, similar products may have differing weights. Unless the product is designated as “Ships Alone”, Shipping Weight does not include the shipping box or packing materials associated with your order. Shipping Weight: 6.950 Pounds
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