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AR15 AMBI Side Charging 24″ 6.5 Grendel Type II MATCH GRADE Stainless Steel Upper Assembly

$629.00

Sanders Armory AR15 AMBI Side Charging 24″ 6.5 Grendel Type II Upper Assembly. It includes a 24″ Match Grade 6.5 Grendel Type II 416R Stainless Steel Tapered HBAR barrel with 1:7.8 Twist 5R rifling, hand-lapped, and air gauge tested. The Sanders Armory AR15 AMBI side charging Billet Aluminum upper assembly is equipped with a low-profile Steel .750 Gas Block with Nitride Finish, Stainless Steel Rifle Length Gas Tube, Free Float Ultra Slim Line MLOK Handguard has a full line top rail and, 6.5 Grendel Type II (.136) Nitride BCG with Hardened Phosphate Bolt and Extractor. The upper receiver is an AR15 / M16 Mil-Spec AMBI Billet Upper Receiver; the Receiver is milled from 7075-T6 aircraft aluminum, is precision machined to mil-spec M16/M4 specifications, and features M4 feed.

Product Quantity

AR15 BILLET AMBI 6.5 Grendel II Side Charge Upper Receiver with Nitride BCG

The Sanders Armory AR15 BILLET AMBI 6.5 Grendel (.136) Side Charge Upper Receiver is a custom receiver made from 7075 T6 Grade Billet Aluminum with Mil-A-8625 Type III Hard Coat Anodized Finish and M4 Feed Ramps. This side-charge upper receiver will fit and accept any AR15 Mil-Spec lower receiver and barrel. The Bolt Carrier Group (BCG) is a dedicated custom AMBI Side Charge AR15 Mil-Spec Nitride Bolt Carrier that permits a charging knob to be inserted on either the left or right side for ease of use.  The bolt carrier includes a Mil-Spec AR15 6.5 Grendel bolt head (.136). The Bolt is “true” Mil-Spec dimension, and external surfaces are CNC ground after heat treatment for a precision fit and made with case Hardened 9310 Steel with Phosphate per MIL-STD-171, Hardened 4340 cam pin, Mil-Spec firing pin made of 8740 steel, center-less ground and Hard Chrome coated, the Side-Charge Handles are fortified and made of 4140 Chrome Moly with a Nitride Finish. Made in the USA!

In stock

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24” Match Grade 6.5 Grendel 416R Stainless Steel Hand Lapped 5R Rifling

Sanders Armory 24” Match Grade 6.5 Grendel (Type II) 416R Stainless Steel Hand Lapped Barrel with Tapered HBAR profile with 1:8 Twist Rate; this is a MEDIUM weight HBAR barrel with Rifle-Length Gas and 5R Rifling.

U.S.-made and manufactured to MIL-SPEC specifications exceeding the ISO-9002 Quality Standard. Provided with a Limited Lifetime Manufacturer Warranty against defects.

In stock

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MLOK HANDGUARDS - Free Float Slim Line

The Sanders Armory AR-15 Free Float Slim Line Mlok Handguards provide a perfect addition to your AR-15 build or upgrade.

  • Ultra Slim Free Float  MLOK Handguard - Your choice: 7" | 10" | 12" | 15" | 16.5" | 20" lengths
  • 2.25" Steel Barrel Nut Requires No Alignment (alignment free)
20" Ultra Slim Free Float MLOK Handguard
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Rifle Length Stainless Steel Gas Tube with .750 Nitride Gas Block

  • Sanders Armory is all about making life easy for you ... Take the frustration out of attaching your gas tube and gas block with our ALREADY Assembled Rifle Length Gas Tube and a Low Profile .750 Steel Gas Block with a Polished Phosphate finish..750” diameter barrels

In stock

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AR10 - Tapered Fat Comp Stainless Steel Muzzle Brake

The Sanders Armory AR-10 Tapered Fat Comp Stainless Steel Muzzle Break is a competition grade muzzle brake that provides outstanding recoil control to keep you on your mark.

 

In stock

1
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Description

Sanders Armory AR15 AMBI Side Charging 24″ 6.5 Grendel Type II MATCH GRADE Stainless Steel Upper Assembly.

Includes a 24″ Match Grade 6.5 Grendel Type II 416R Stainless Steel Tapered HBAR Match Grade barrel with 1:7.8 Twist 5R rifling, hand-lapped, and air gauge tested.

The Sanders Armory AR15 AMBI side charging upper assembly is made of Billet Aluminum and equipped with a low-profile Steel .750 Gas Block with Nitride Finish, Stainless Steel Rifle Length Gas Tube, Free Float Ultra Slim Line MLOK Handguard has a full line top rail, and 6.5 Grendel Type II (.136) Nitride AMBI BCG with Hardened Phosphate Bolt and Extractor. The upper receiver is an AR15 / M16 Mil-Spec Billet Upper Receiver; the Receiver is milled from 7075-T6 aircraft aluminum, is precision machined to mil-spec M16/M4 specifications, and features an M4 feed.

SPECS:

  • AMBI-Side Charge Upper Receiver with 7075 T6 Grade Billet Aluminum with Mil-A-8625 Type III Hard Coat Anodized Finish and M4 Feed Ramps
  • 24″ 6.5 Grendel Type II Match Grade Stainless Steel 416R Tapered HBAR Barrel with 5R Rifling
  • Hand Lapped and Air Gauge tested Barrel
  • 1:7.8 Twist rate
  • 6.5 Grendel Type II (.136) Nitride AMBI BCG with Hardened Phosphate Bolt and Extractor
  • .750 Low Profile Steel Gas Block
  • Rifle Length Stainless Steel Gas Tube
  • 19.5″ Free Float Ultra Slim Line MLOK Handguard
  • Tapered Fat Comp Muzzle Brake with 5/8 x 24 Thread Pitch
  • The complete upper fully assembled is 5.2 LBS

What is 5R Rifling?

Retired Army man, Barrett “Boots” Obermeyer developed 5R rifling as a gunsmith in his family’s store. Boots holds a High Master Classification in both high-power rifle disciplines, is a Distinguished Rifleman, and has won numerous shooting awards at both state and national levels. The best definition of 5R rifling comes from “Boots” himself …

“5R is the form of rifling I developed for use in most target barrels, and in many sporting barrels,” he explained. “These barrels have 5 grooves, and the lands have angular sides. I have observed that bullet jackets will deform such that they remain closer to the R-form lands than they will to the sharp-edged lands present in conventional-style rifling. This reduces powder fouling at the corner of the grooves. The angled form of the lands also helps to reduce jacket failures in quick-twist barrels.”

The diagram above of rifling profiles shows the difference between traditional rifling (top) and 5R rifling (bottom). Because the edges of 5R are not square, they don’t cut into bullet jackets as much and, with 5R rifling the lands are opposite of grooves, while with traditional rifling, lands are opposite lands and grooves are opposite grooves.

SHIPPING RESTRICTIONS:

We do not ship to the District of Columbia (Washington, D.C.); Massachusetts; Connecticut; Chicago, Cook County, Deerfield, Highland Park or Aurora Illinois; New Jersey; New York; Puerto Rico; Hawaii; or Canada. There is no international shipping or APO/PPO/FPO’s.

Additional information

Weight 5.75 lbs
Dimensions 35.5 × 3 × 3 in

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