.308 (7.62 NATO) Caliber AR type Upper Half
T-Marked forged upper receiver
1-10" twist, 6 grooves, right hand
7.62x51 Caliber (shoots either 7.62x51 or .308)
11595E Barrel steel
Manganese Phosphate finish barrel
Optional chrome lining
This 7.62x51mm caliber barrel is 20" long with a 1/2 - 28 TPI muzzle thread. The barrel is machined from 4150 chrome moly, high vanadium steel hardened to a U.S. government Mil-spec of Rc 26-32. All external steel parts are manganese phosphate finished IAW 188.8.131.52 of Mil-STD-171, the U. S. government's recommended protective finish for steel. This finish not only looks great, it affords complete corrosion protection. This barrel tapers under the handguard from 1.200" at the chamber to .950" at the gas block. .750" through the gas block and .735" diameter forward.
The barrel is mounted on a FORGED 7075T6511 A3 upper receiver with built in Mil-spec M1913 Picatinny accessory rail, with the correct rail numbers engraved, hardcoat anodized IAW Mil Spec A8625, Type III, Class II, black per No. 37038, Table IX with nickel acetate seal, as per the Mil-spec. This upper has a hinged ejection port cover. Barrel nut threads are DPMS standard 1 7/16 - 16 TPI. Add your BCG (not included), check/adjust headspace, and let her rip!
This upper sports rifle length A2 handguards with heat shields and a 4 postition gas block.
PLEASE NOTE: For CHROMED barrel interior and chamber, You must ACTUALLY Order part # AR-CHROME on your web order form, if you do not see it and it does not charge you $50 on your form, you have not ordered it and will not receive a chromed barrel. Do NOT just put it in the special instructions. If you just put AR-CHROME in the special instructions you will NOT receive a chromed barrel, it MUST be in the order form body and it MUST charge you $50. Here is the link for AR-CHROME: http://blackthorneproducts.com/cart/index.php?main_page=product_info&cPath=0&products_id=300 Do NOT just put it in the special instructions! This kit fits Gen1 DPMS pattern .308 caliber lowers.
Since this parts kit does not include the receiver, no FFL is required. Like all of our AR parts kits, this is MADE IN USA!
This product was added to our catalog on Thursday 10 February, 2011.