Rifle kit, 24", A3, BULL STAINLESS

$499.00

This COMPLETE PARTS KIT (less stripped lower receiver) has the following standard features:

M4 Feed Ramp barrel extension
T-Marked forged upper receiver
1-9" twist, 6 grooves, right hand
5.56mm chamber (shoot either 5.56mm or .223)
416R Stainless Steel Barrel
Manganese Phosphate finish barrel

This 5.56mm caliber barrel is 24" long with a target crown and a correctly sized gas port for reliable function. The barrel is machined from 416R re-sulpurized stainless steel and hardened to a U.S. government Mil-spec of Rc 26-32.  All external steel parts are coated in manganese phosphate IAW 5.3.1.2 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. These barrels are of BULL contour (.950" under the handguards, .935 under the front sight base, .925" forward of the front sight base).  This contour alleviates barrel whip and enhances accuracy in semi auto fire and helps dissipate heat. The barrel is button rifled with 6 grooves, right hand, 1 / 9" twist.  The 1/9” twist is best because it handles the widest variety of ammunition and bullet weights.

The barrel is mounted on a FORGED A3 upper receiver with built in Mil-spec M1913 Picatinny accessory rail with the correct rail numbers engraved, made from certified 7075T6511forgings, 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. The upper features a forward assist and hinged ejection port cover.

 The barrel has a hardcoat anodized, machined aluminum, 4 position gas block with M1913 Picatinny rails for easy mounting of accessories and/or sights. It sports a harcoat anodized, machined aluminum handguard that is knurled for sure grip.  It completely free floats the barrel for increased accuracy.

The buttstock is a mil spec A2 design, with foam insert and trap door butt plate.  It is longer for American shooters and is designed for heavy duty use.

All semi auto lower receiver parts are INCLUDED as well as semi auto bolt, carrier, and charging handle. The upper is COMPLETELY ASSEMBLED. Each and every part to the gun is included EXCEPT the stripped lower receiver! (A complete firearm is pictured, the lower receiver, sights, vertical grips, etc. and magazine, even though shown in the picture, are NOT included).

If you would like to upgrade to a FLUTED barrel,  order the upgrade here:  
http://blackthorneproducts.com/cart/index.php?main_page=product_info&cPath=0&products_id=299

If you would like to order a removable carry handle with match A2 sights installed, order one here:  http://blackthorneproducts.com/cart/index.php?main_page=product_info&cPath=6_14&products_id=800

Don't forget the Mil Spec Aluminum, 30 round magazines: 
http://blackthorneproducts.com/cart/index.php?main_page=product_info&cPath=6_14&products_id=1148

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. Here is the link: http://blackthorneproducts.com/cart/index.php?main_page=product_info&cPath=0&products_id=300

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!


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  • Model: AR-RK24Vs
  • Shipping Weight: 1lbs
  • 7 Units in Stock

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This product was added to our catalog on Saturday 19 January, 2008.