AR-15 Uppers

6.5 Grendel | AR-15 Uppers
 
All Alexander Arms® upper receiver assemblies are fully-complete, function-tested, and ready to fire. All available products and options are visible in the Online Store. We do not produce custom weapons.

All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
Introducing the Alexander Arms 6.5 Grendel SBR/Pistol Upper Kit! This kit has everything you need to get started on your very own 6.5 upper build!

The kit includes:

- Mil-Spec flat top upper receiver (port door and forward assist installed)
- Our very own high quality 11.5" 416R SS barrel with a 1:7.5 twist and a bead blasted stainless finish
- Threaded 5/8-24 TPI RH
- Complete bolt carrier and 6.5 Grendel Bolt
- Carbine length Gas tube
- Mil-Spec charging handle

The kit does not include a barrel nut or handguard.

 

 
$630.00
Introducing the Alexander Arms 6.5 Grendel Upper Kit! This kit has everything you need to get started on your very own 6.5 upper build!

The kit includes:


- Mil-Spec flat top upper receiver (port door and forward assist installed)

- Our very own high quality 16" chrome moly, extreme lightweight barrel with a 1:7.5 twist and a melonite finish
- Threaded 9/16-24 TPI RH

- Complete bolt carrier and 6.5 Grendel Bolt
- Your choice of either a Low Profile or Picatinny Railed Gas Block
- Mid-length Gas tube
- Mil-Spec charging handle

The kit does not include a barrel nut or handguard.
 
$630.00
6.5 Grendel 11.5" SBR Complete Upper Features:

- Lightweight 11.5" button-rifled, stainless steel barrel
- 1:7.5 twist rate
- G10 composite MK10 series mid-length handguard
- Low-profile gas block
- 5/8 x 24 RH threaded muzzle (non-optional)
- Direct impingement operating system
- O
ne 10-round magazine
- Weight of upper is approximately 3.4 pounds


This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required). All NFA rules apply. 

Muzzle device pictured NOT included.  See upgrade options below.


All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.

 
$755.21
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Features:

- 16" chrome moly, very lightweight barrel with melonite finish
- 1:7.5 twist
- 9/16-24 muzzle threading (non-optional)
- Rifle-length MK10 handguard
- Low-profile gas block
- Direct impingement operating system
- O
ne 10-round magazine
- Weight of upper is 3.7 pounds


This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).

Muzzle device picture NOT included. 

See upgrade options below.


All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
$719.25
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Features:

- Lightweight 16" button-rifled, fluted stainless steel barrel
- 1:7.5 twist rate
- G10 composite free-floating handguard
- Picatinny railed gas block
- 9/16-24 threaded muzzle (non-optional)
- Direct impingement operating system
- O
ne 10-round magazine
- Weight of upper is 4.2 pounds


This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).

Muzzle device picture NOT included.  See upgrade options below.

All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
$749.70
Features:

- Lightweight 18" button-rifled, fluted stainless steel barrel
- 1:7.5 twist rate
- G10 composite free-floating handguard
- Picatinny railed gas block
- 5/8-24 threaded muzzle (non-optional)
- Direct impingement operating system
- O
ne 10-round magazine
- Weight of upper is 4.3 pounds

This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required)

Muzzle device picture NOT included.  See upgrade options below.

 

All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
$749.70
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This upper features:

- Flat-top receiver
- 16" chrome moly, lightweight barrel with melonite finish
- 1:7.5 twist
- Threaded 9/16x24
- Manticore Arms Transformer Rail handguard
- Your choice of two sets of panels
- Cerakote finish of your choice (Options Below)
- One 10 round 6.5 Grendel magazine.
- Weight of upper is 3.85 lbs

This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required)

Muzzle device pictured NOT included.  See upgrade options below.

All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
$1,249.50
Features:

- Lightweight 18" button-rifled, fluted stainless steel barrel
- 1:7.5 inch twist
- Composite free-floating rifle-length handguard
- 5/8-24 muzzle threading (non-optional)
-
Direct impingement operating system
- One MK10 3-inch Picatinny rail section is included and installed on the top position of the handguard
- One sling swivel stud is installed on the bottom side of the handguard. (It is possible to install four MK10 rail sections onto the handguard at the muzzle end in the positions of 3-, 6-, 9-, and 12-o'clock.)
- Produced in standard, durable Kryptek® Highlander camouflage (non-optional).
- One 10-round magazine.


This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required). 


Muzzle device pictured NOT included.  See upgrade options below.

 
 
All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.

 
$1,039.50
This unit features:

- Flat top receiver
- 20" stainless steel barrel
- 1:9 twist
- G10 composite free-floating handguard
- Low-profile gas block
- Direct impingement operating system
- O
ne 10-round magazine
- Standard and Shilen barrels are threaded 9/16-24 RH (non-optional)
- Weight of upper is 6.0 pounds


This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required). 

Muzzle device pictured NOT included.  See upgrade options below.


All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
$769.55
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Complete upper receiver assembly featuring:

- Flat top upper
- Stainless steel 20" barrel
- 1:9 twist
- Low-profile gas block
- Midwest Industries free-floating four-railed handguard system
- Direct impingement operating system
-
One 10-round magazine
- Standard and Shilen barrels are threaded 9/16-24 RH (non-optional)
- Weight of upper is 6.1 pounds


This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required). 

Muzzle device pictured NOT included.  See upgrade options below.


All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
$964.69
This unit features:

- Flat top upper receiver
- 24" stainless steel barrel
- 1:9 twist
- G10 composite free-floating handguard
- Low-profile gas block
- Direct impingement operating system
- O
ne 10-round magazine
- Standard and Shilen barrels are threaded 9/16-24 RH (non-optional)
- Weight of upper is 6.5 pounds


This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required)

Muzzle device pictured NOT included.  See upgrade options below.

All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
$926.10
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Complete upper receiver featuring:

- Flat top upper
- 24-inch stainless steel barrel
- 1:9 twist
- Low-profile gas block
- Midwest Industries free-floating four-railed handguard
- Direct impingement operating system
- O
ne 10-round magazine
- Standard and Shilen barrels are threaded 9/16-24 RH (non-optional)
- Weight of upper is 6.6 pounds


This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).

Muzzle device pictured NOT included.  See upgrade options below.

All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
$986.74
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