AR-15 Builder Kits
Showing all 8 results
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Select optionsMORE INFOGrendel Hunter Custom Lower Build Kit
From: $199.99
Everything you need to complete your own stripped lower!
Base Kit Includes:
- Velocity Classic AR Curved Trigger
- Magpul MOE Grip
- Magpul MOE Carbine Stock
- 1 Each Mil-Spec AR-15: Pivot Pin, Take Down Pin, Selector Switch, Selector Spring, Selector Detent, Bolt Catch Spring, Bolt Catch Buffer, Bolt Catch, Bolt Catch Roll Pin, Magazine Catch Spring, Magazine Catch Button, Magazine Catch, Buffer Retainer, Buffer Retainer Spring, Buffer Tube Assembly
- 2 Each Mil-Spec AR-15: Pivot/Takedown Springs, Pivot/Take Down Detents, Trigger Pins
** Lower receiver not included **
Customize your kit with the options below…
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Select optionsMORE INFO
Grendel Hunter Custom Lower Parts Kit
From: $149.99
Base Kit Includes:
- Velocity Classic AR Curved Trigger
- Magpul MOE Grip and Grip Screw
- 1 Each Mil-Spec AR-15: Pivot Pin, Take Down Pin, Selector Switch, Selector Spring, Selector Detent, Bolt Catch Spring, Bolt Catch Buffer, Bolt Catch, Bolt Catch Roll Pin, Magazine Catch Spring, Magazine Catch Button, Magazine Catch, Buffer Retainer, Buffer Retainer Spring
- 2 Each Mil-Spec AR-15: Pivot/Takedown Springs, Pivot/Take Down Detents, Trigger Pins
Customize your kit with the options below…
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Select optionsMORE INFO
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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Grendel Hunter AR-15 Handguard/Brake Combo
From: $119.99
Handguard
- Black Hard-Coat Anodized, Flat Dark Earth Cerakote, or Tungsten Cerakote
- 6061 T6 Aluminum
- 1.3″ Inside Diameter
- Steel Barrel Nut
- Will fit any standard Mil-Spec AR-15 upper receiver
- Made in the USA
- Comes with barrel nut, barrel nut wrench and hardware
Muzzle Brake
- Grendel Hunter Slanted 3 port muzzle brake
- 5.56/.223 (1/2-28 thread) or 6.5/.308 (5/8-24 thread)
- Made in USA
- Comes with jam nut
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Select optionsMORE INFO
Grendel Hunter AR-15 Upper Receiver/Handguard/Brake Set
From: $214.99
Product pictured with black Strike Industries forward assist and dust cover. Customize with the options below.
Assembled Upper Receiver- Grendel Hunter M4E1 Upper Receiver – Aero Precision
- 7075 T-6 Aluminum
- M4 Feedramps
- .250 takedown pin holes
- New enhanced forging that gives the upper receiver a “billet look”
- Forward Assist
- Dust Cover
Handguard
- Black Hard-Coat Anodized, Flat Dark Earth Cerakote, or Tungsten Cerakote
- 6061 T6 Aluminum
- 1.3″ Inside Diameter
- Steel Barrel Nut
- Will fit any standard Mil-Spec AR-15 upper receiver
- Made in the USA
- Comes with barrel nut, barrel nut wrench and hardware
Muzzle Brake
- Grendel Hunter Slanted 3 port muzzle brake
- 5.56/.223 (1/2-28 thread) or 6.5/.308 (5/8-24 thread)
- Made in USA
- Comes with jam nut
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Select optionsMORE INFO
Grendel Hunter AR-15 Upper Receiver/Handguard Set
From: $179.99
Product pictured with black Strike Industries forward assist and dust cover. Customize with the options below.
Assembled Upper Receiver- Grendel Hunter M4E1 Upper Receiver – Aero Precision
- 7075 T-6 Aluminum
- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- Includes threaded forward assist roll pin
- New enhanced forging that gives the upper receiver a “billet look”
- Forward Assist
- Dust Cover
Handguard
- Black Hard-Coat Anodized
- 6061 T6 Aluminum
- 1.3″ Inside Diameter
- Steel Barrel Nut
- Made in the USA
