Uppers
Showing 1–9 of 28 results
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Select optionsMORE INFO[16″] 6.5 Grendel – Stainless
From: $439.00
The base price is for a barreled M4E1 upper with a mil-spec forward assist and dust cover, 12″ handguard, adjustable gas block and black thread protector. The base price does not include a bolt carrier group or charging handle. Complete or customize with the options below… *Product pictured with 13″ handguard, slanted muzzle break, bolt carrier group and Strike Industries charging handle, forward assist and dust cover
Options with ** after the title require a selection to add the upper to your cart.- 12″, 13″, 14″, 15.5″, 16″ or 17″ Grendel Hunter handguard
- Grendel Hunter M4E1 Receiver – Aero Precision
- 16″ Stainless Barrel – Satern/Liberty
- Medium Contour
- Mid Length Gas With Adjustable Gas Block
- 1-8 Twist 5R
- 5/8×24 Threaded Muzzle with Thread Protector .750″ OD
- 6.5 Grendel II Chamber
* Barrels are bedded to the receiver * Each bolt is headspaced to the barrel * All uppers are test fired * Weight with Bolt Carrier Group and Extended Latch Charging Handle: 13″ – 4lb 3oz, 15.5″ – 4lb 4oz
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5.56 Custom Upper Build Kit
From: $359.00
The 5.56 Custom Upper Build Kit is perfect for DIY builders who like to assemble themselves and those who just want to pin a new upper on their lower. Designed as an à la carte package, you can choose each individual component to fit your style and needs. The base price includes the following:
- Rosco Barrel – Black Nitride
- 16” M4 Profile 5.56 NATO
- 4150 CMV
- Carbine or Mid Length Gas
- Grendel Hunter M4E1 Upper – Black Anodized
- AERO Precision Manufactured
- Grendel Hunter Logo
- Mil-Spec Forward Assist & Dust Cover
- 12″ MLOK Grendel Hunter Hanguard – Black Anodized
- Steel Barrel Nut
- Mounting Hardware
- Low Profile Gas Block – Black Nitride
- Gas Tube (Length dependent on barrel selected) – Stainless Steel
- A2 Flash Hider and Jam Nut – Black Nitride
NOTE: The 11″ handguards will cover a Carbine length gas system, but not a Mid Length. Other lengths will cover both.
Customize your kit with the options below
- Rosco Barrel – Black Nitride
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[16″ Fluted] 6.5 Grendel – Black Cerakote
From: $499.00
The base price is for a barreled M4E1 upper with a mil-spec forward assist and dust cover, 12″ handguard, adjustable gas block and black thread protector. The base price does not include a bolt carrier group or charging handle. Complete or customize with the options below… *Product pictured with 12″ handguard, slanted muzzle break, bolt carrier group and Strike Industries charging handle, forward assist and dust cover
Options with ** after the title require a selection to add the upper to your cart.- 12″, 13″, 14″, 15.5″, 16″ or 17″ Grendel Hunter handguard
- Grendel Hunter M4E1 Receiver – Aero Precision
- 16″ Stainless Barrel with Black Cerakote – Satern/Liberty
- Medium Contour
- Mid Length Gas With Adjustable Gas Block
- 1-8 Twist 5R
- 5/8×24 Threaded Muzzle with Thread Protector .750″ OD
- 6.5 Grendel II Chamber
* Barrels are bedded to the receiver * Each bolt is headspaced to the barrel * All uppers are test fired * Weight with Bolt Carrier Group and Extended Latch Charging Handle: 13″ – 3lb 14oz, 15.5″ – 3lb 15oz
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[18″ Fluted] 6.5 Grendel – Stainless
From: $479.00
The base price is for a barreled M4E1 upper with a mil-spec forward assist and dust cover, 12″ handguard, adjustable gas block and black thread protector. The base price does not include a bolt carrier group or charging handle. Complete or customize with the options below… *Product pictured with 15.5″ handguard, slanted muzzle break, bolt carrier group and Strike Industries charging handle, forward assist and dust cover
Options with ** after the title require a selection to add the upper to your cart.- 12″, 13″, 14″, 15.5″, 16″ or 17″ Grendel Hunter handguard
- Grendel Hunter M4E1 Receiver – Aero Precision
- 18″ Fluted Stainless Barrel – Satern/Liberty
- Medium Contour
- Mid Length Gas With Adjustable Gas Block
- 1-8 Twist 5R
- 5/8×24 Threaded Muzzle with Thread Protector .750″ OD
- 6.5 Grendel II Chamber
* Barrels are bedded to the receiver * Each bolt is headspaced to the barrel * All uppers are test fired * Weight with Bolt Carrier Group and Extended Latch Charging Handle: 13″ – 4lb, 15.5″ – 4lb 1oz, 17″ – 4lb 2oz
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[18″ Fluted] 6.5 Grendel – Black Cerakote
From: $499.00
The base price is for a barreled M4E1 upper with a mil-spec forward assist and dust cover, 12″ handguard, adjustable gas block and black thread protector. The base price does not include a bolt carrier group or charging handle. Complete or customize with the options below… *Product pictured with 15.5″ handguard, slanted muzzle break, bolt carrier group and Strike Industries charging handle, forward assist and dust cover
Options with ** after the title require a selection to add the upper to your cart.- 12″, 13″, 14″, 15.5″, 16″ or 17″ Grendel Hunter handguard
- Grendel Hunter M4E1 Receiver – Aero Precision
- 18″ Fluted Stainless Barrel with Black Cerakote – Satern/Liberty
- Medium Contour
- Mid Length Gas With Adjustable Gas Block
- 1-8 Twist 5R
- 5/8×24 Threaded Muzzle with Thread Protector .750″ OD
- 6.5 Grendel II Chamber
* Barrels are bedded to the receiver * Each bolt is headspaced to the barrel * All uppers are test fired * Weight with Bolt Carrier Group and Extended Latch Charging Handle: 13″ – 4lb, 15.5″ – 4lb 1oz, 17″ – 4lb 2oz
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[20″] 6.5 Grendel – Stainless
From: $449.00
The base price is for a barreled M4E1 upper with a mil-spec forward assist and dust cover, 14″ handguard, adjustable gas block and black thread protector. The base price does not include a bolt carrier group or charging handle. Complete or customize with the options below… *Product pictured with 17″ handguard, slanted muzzle break, bolt carrier group and Strike Industries charging handle, forward assist and dust cover
Options with ** after the title require a selection to add the upper to your cart.- 14″, 15.5″, 16″, 17″ or 19″ Grendel Hunter handguard
- Grendel Hunter M4E1 Receiver – Aero Precision
- 20″ Stainless Barrel – Satern/Liberty
- Medium Contour
- Rifle Length Gas With Adjustable Gas Block
- 1-8 Twist 5R
- 5/8×24 Threaded Muzzle with Thread Protector .750″ OD
- 6.5 Grendel II Chamber
* Barrels are bedded to the receiver * Each bolt is headspaced to the barrel * All uppers are test fired * Weight with Bolt Carrier Group and Extended Latch Charging Handle: 15.5″ – 4lb 12oz, 17″ – 4lb 13oz
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[20″ Fluted] 6.5 Grendel – Black Cerakote
From: $509.00
The base price is for a barreled M4E1 upper with a mil-spec forward assist and dust cover, 14″ handguard, adjustable gas block and black thread protector. The base price does not include a bolt carrier group or charging handle. Complete or customize with the options below… *Product pictured with 17″ handguard, slanted muzzle break, bolt carrier group and Strike Industries charging handle, forward assist and dust cover
Options with ** after the title require a selection to add the upper to your cart.- 14″, 15.5″, 16″, 17″ and 19″ Grendel Hunter handguard
- Grendel Hunter M4E1 Receiver – Aero Precision
- 20″ Fluted Stainless Barrel with Black Cerakote – Satern/Liberty
- Medium Contour
- Rifle Length Gas With Adjustable Gas Block
- 1-8 Twist 5R
- 5/8×24 Threaded Muzzle with Thread Protector .750″ OD
- 6.5 Grendel II Chamber
* Barrels are bedded to the receiver * Each bolt is headspaced to the barrel * All uppers are test fired * Weight with Bolt Carrier Group and Extended Latch Charging Handle: 15.5″ – 4lb 5oz, 17″ – 4lb 6oz
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[22″ Fluted] 6.5 Grendel – Black Cerakote
From: $509.00
The base price is for a barreled M4E1 upper with a mil-spec forward assist and dust cover, 14″ handguard, adjustable gas block and black thread protector. The base price does not include a bolt carrier group or charging handle. Complete or customize with the options below… *Product pictured with 16″ handguard, slanted muzzle break, bolt carrier group and Strike Industries charging handle, forward assist and dust cover
Options with ** after the title require a selection to add the upper to your cart.- 14″, 16″, 15.5″, 17″ or 19″ Grendel Hunter handguard
- Grendel Hunter M4E1 Receiver – Aero Precision
- 22″ Fluted Stainless Barrel with Black Cerakote – Satern/Liberty
- Medium Contour
- Rifle Length Gas With Adjustable Gas Block
- 1-8 Twist 5R
- 5/8×24 Threaded Muzzle with Thread Protector .750″ OD
- 6.5 Grendel II Chamber
* Barrels are bedded to the receiver * Each bolt is headspaced to the barrel * All uppers are test fired * Weight with Bolt Carrier Group and Extended Latch Charging Handle: 15.5″ – 4lb 8oz, 17″ – 4lb 9oz
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[22″ Fluted] 6.5 Grendel – Stainless
From: $489.00
The base price is for a barreled M4E1 upper with a mil-spec forward assist and dust cover, 14″ handguard, adjustable gas block and black thread protector. The base price does not include a bolt carrier group or charging handle. Complete or customize with the options below… *Product pictured with 17″ handguard, slanted muzzle break, bolt carrier group and Strike Industries charging handle, forward assist and dust cover
Options with ** after the title require a selection to add the upper to your cart.- 14″, 15.5″, 16″, 17″ or 19″ Grendel Hunter handguard
- Grendel Hunter M4E1 Receiver – Aero Precision
- 22″ Fluted Stainless Barrel – Satern/Liberty
- Medium Contour
- Rifle Length Gas With Adjustable Gas Block
- 1-8 Twist 5R
- 5/8×24 Threaded Muzzle with Thread Protector .750″ OD
- 6.5 Grendel II Chamber
* Barrels are bedded to the receiver * Each bolt is headspaced to the barrel * All uppers are test fired * Weight with Bolt Carrier Group and Extended Latch Charging Handle: 15.5″ – 4lb 8oz, 17″ – 4lb 9oz
