AR Parts

Aero Precision 12″ ATLAS R-ONE M-LOK Handguard

Out of stock

Price range: $174.62 through $194.99
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision 9″ ATLAS R-ONE M-LOK Handguard

Out of stock

$174.99
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision 9″ Enhanced Gen-2 M-LOK Handguard

Out of stock

Original price was: $159.99.Current price is: $140.48.
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision 15″ Enhanced Gen-2 M-LOK Handguard

Out of stock

Original price was: $189.99.Current price is: $164.26.

Aero Precision’s Enhanced M-LOK (EM) Handguards provide a lightweight free float design for your custom AR15 build.

  • 1pc free float design
  • Material: 6061 Aluminum
  • Finish: Anodized
  • Platform: AR-15
  • Built-in anti-rotation tabs
  • Scalloped rails
  • Continuous top rail
  • 1.72″ inside diameter (from barrel nut cut to the forward end) fits most muzzle devices and 1.5″ suppressors)
  • 1.78″ inside barrel nut cut area diameter
  • Compatible with low profile gas blocks
  • Gen 2 Feature – Quick disconnect sling socket at the 3, 6, and 9 o’clock positions
  • Gen 2 Feature – Additional milling along flats to aid with gripping and add visual appeal
  • Gen 2 Feature – New profile for the continuous Picatinny top rail
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision 12″ Enhanced Gen-2 M-LOK Handguard

Out of stock

Original price was: $179.99.Current price is: $156.33.

Aero Precision’s Enhanced M-LOK (EM) Handguards provide a lightweight free float design for your custom AR15 build.

  • 1pc free float design
  • Material: 6061-T6 aluminum
  • Finish: Anodized
  • Built-in anti-rotation tabs
  • Scalloped rails
  • Continuous top rail
  • 1.72″ inside diameter (from barrel nut cut to the forward end) fits most muzzle devices and 1.5″ suppressors
  • 1.78″ inside barrel nut cut area diameter
  • Compatible with low profile gas blocks
  • Gen 2 Feature – Quick disconnect sling socket at the 3, 6, and 9 o’clock positions
  • Gen 2 Feature – Additional milling along flats to aid with gripping and add visual appeal
  • Gen 2 Feature – New profile for the continuous Picatinny top rail
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision M4E1 Threaded Stripped Upper Receiver – No Forward Assist

Out of stock

Original price was: $114.99.Current price is: $100.23.

This upper receiver features the same tried-and-true construction and aesthetics as Aero’s M4E1 Threaded Upper Receivers, without provisions for a forward assist.

  • No Forward Assist
  • Material: 7075-T6 aluminum
  • Finish: Anodized
  • Platform: AR-15
  • Custom enhanced forging that gives the upper receiver a “billet look” while maintaining the structural integrity of a forged part.
  • Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision M4E1 Threaded Assembled Upper – No Forward Assist

Out of stock

Original price was: $139.99.Current price is: $116.09.

This upper receiver features the same tried-and-true construction and aesthetics as Aero’s M4E1 Threaded Upper Receivers, without provisions for a forward assist.

  • No Forward Assist
  • Material: 7075-T6 aluminum
  • Finish: Anodized
  • Platform: AR-15
  • Custom enhanced forging that gives the upper receiver a “billet look” while maintaining the structural integrity of a forged part
  • Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision M4E1 16″ 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard

Out of stock

Original price was: $509.99.Current price is: $471.57.

This complete upper comes assembled with Aero’s M4E1 Threaded Assembled Upper Receiver and the ATLAS R-ONE Handguard. Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • ATLAS R-ONE Handguard of choice
  • 16″ 5.56 CMV Barrel
  • Low Profile Gas Block and Mid-Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision M4E1 14.5″ 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard

Out of stock

Original price was: $494.99.Current price is: $457.85.
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision 10.5″ 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard – No Forward Assist

Out of stock

Original price was: $429.99.Current price is: $398.40.

This AR15 Complete Upper Receiver, paired with the ATLAS R-ONE handguard streamlines the appearance of your next AR15 build by removing the Forward Assist.

  • AR15 Assembled Upper Receiver with No Forward Assist
  • 9″ M-LOK ATLAS R-ONE Handguard
  • 10.5″ 5.56 CMV Barrel
  • Low Profile Gas Block and Carbine Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle. 
  • The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision M4E1 12.5″ 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard

Out of stock

Original price was: $484.99.Current price is: $448.71.

This complete upper comes assembled with Aero’s M4E1 Threaded Assembled Upper Receiver and the ATLAS R-ONE Handguard. Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • 12″ M-LOK ATLAS R-ONE Handguard
  • 12.5″ 5.56 Government Profile CMV Barrel, Carbine Length
  • Low Profile Gas Block and Carbine Length Gas Tube
  • AR15 A2 Birdcage Flash Hider
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision M5 18″ .308 Complete Upper Receiver w/ ATLAS R-ONE Handguard

Out of stock

$595.05

The .308 Complete Upper Receiver was designed with size and weight in mind featuring Aero’s M5 Assembled Upper Receiver and ATLAS 15″ R-ONE Handguard. Includes:

  • M5 Assembled Upper Receiver
  • ATLAS 15″ R-ONE Handguard
  • 18″ .308 CMV Barrel, Rifle Length
  • Low Profile Gas Block and Rifle Length Gas Tube
  • Product comes assembled
  • This complete upper does not include a BCG or Charging Handle.
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision M4E1 10.5″ 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard

Out of stock

Original price was: $459.99.Current price is: $425.84.

This complete upper comes assembled with Aero’s M4E1 Threaded Assembled Upper Receiver and the ATLAS R-ONE Handguard. Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • ATLAS S-ONE Handguard of choice
  • 10.5″ 5.56 CMV Barrel
  • Low Profile Gas Block and Carbine Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.
  • The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision M4E1 16″ 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard

Out of stock

Original price was: $655.00.Current price is: $589.99.
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision M4E1 11.5″ 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard

Out of stock

$430.41

This complete upper includes Aero’s new ATLAS S-ONE Handguard. The S-ONE line of handguards is designed with size and weight in mind, providing the perfect addition to your lightweight build. Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • 9″ ATLAS S-ONE M-LOK Handguard
  • 11.5″ 5.56 CMV Barrel, Carbine Length
  • Low Profile Gas Block and Carbine Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.
  • The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision M4E1 10.5″ 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard

Out of stock

Original price was: $459.99.Current price is: $425.84.

This complete upper includes Aero’s new ATLAS S-ONE Handguard. The S-ONE line of handguards is designed with size and weight in mind, providing the perfect addition to your lightweight build. Includes:

  • M4E1 Threaded Upper Receiver, No Forward Assist.
  • 9.2″ ATLAS S-ONE Handguard.
  • 10.5″ 5.56 CMV Barrel.
  • Low Profile Gas Block and Carbine Length Gas Tube.
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.
  • The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision XL Assembled Upper Receiver for AR-15

Out of stock

$134.99
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision 11.5″ 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard – No Forward Assist

Out of stock

Original price was: $434.99.Current price is: $402.98.

This AR15 Complete Upper Receiver, paired with the ATLAS R-ONE handguard streamlines the appearance of your next AR15 build by removing the Forward Assist. Includes:

  • AR15 Assembled Upper Receiver with No Forward Assist
  • 9″ M-LOK ATLAS R-ONE Handguard
  • 11.5″ 5.56 CMV Barrel, Carbine Length
  • Low Profile Gas Block and Carbine Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.
  • The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision 16″ 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard – No Forward Assist

Out of stock

Original price was: $479.99.Current price is: $444.13.

This AR15 Complete Upper Receiver, paired with the ATLAS S-ONE handguard streamlines the appearance of your next AR15 build by removing the Forward Assist. Includes:

  • AR15 Assembled Upper Receiver with No Forward Assist
  • 15″ M-LOK ATLAS S-ONE Handguard
  • 16″ 5.56 CMV Barrel
  • Low Profile Gas Block and Mid-Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision 11.5″ 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard – No Forward Assist

Out of stock

Original price was: $434.99.Current price is: $402.98.

This AR15 Complete Upper Receiver, paired with the ATLAS S-ONE handguard streamlines the appearance of your next AR15 build by removing the Forward Assist. Includes:

  • AR15 Assembled Upper Receiver with No Forward Assist
  • 9″ M-LOK ATLAS S-ONE Handguard
  • 11.5″ 5.56 CMV Barrel, Carbine Length
  • Low Profile Gas Block and Carbine Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle
  • The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel
Select options This product has multiple variants. The options may be chosen on the product page

Aero Precision 10.5″ 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard – No Forward Assist

Out of stock

Original price was: $429.99.Current price is: $398.40.
Select options This product has multiple variants. The options may be chosen on the product page

Radian Raptor Competition Ambidextrous Charging Handle

Out of stock

$118.49

The Raptor™ is truly revolutionary in design & function.

  • Material: aircraft-grade 7075 aluminum
  • Finish: Type III anodized.
  • Platform: AR-15
  • Designed for rapid palm “blading” or finger thumb charges.
  • Fluid & fast charging from either the strong or support side.
Select options This product has multiple variants. The options may be chosen on the product page

Primary Weapon Systems 7.75″ MK107 Mod 1-M Complete Upper – .223 Wylde

Out of stock

Original price was: $1,099.95.Current price is: $1,029.49.

Primary Weapon Systems 11.85″ MK111 Mod 1-M Complete Upper – .223 Wylde

Out of stock

Original price was: $1,099.95.Current price is: $1,029.49.

The revamped MK111 MOD 1-M line features the tried and true PWS long stroke piston system that PWS owners have grown to know and love.

  • System: PWS Long Stroke Piston System, 3 settings Adjustable Gas Regulator
  • Caliber: .223 Wylde
  • Barrel Length: 11.85”
  • Gas System Length: Carbine
  • Barrel Twist Rate: 1:8
  • Muzzle Device: PWS Triad 556
  • Upper Receiver: PWS Proprietary Piston Upper
  • Material: T6 7075 Forged, Anodized
  • Handguard: PWS M-Lok™ 11.05” Handguard (1.7” width, 2.25” height)
  • Charging Handle: Radian Raptor™ Ambidextrous Charging Handle

Bravo Company BCM Gunfighter Enhanced Lower Parts Kit for AR-15

Out of stock

Price range: $115.17 through $115.94

This kit includes all the Mil-Spec quality components you have come to expect from BCM, along with some fantastic upgrades. The kit includes:

  • BCM PNT Hammer, Hammer Spring, BCM PNT Trigger, Trigger Spring, Hammer/Trigger Pins
  • Disconnector, Disconnector Spring
  • Bolt Catch, Bolt Catch Plunger, Bolt Catch Spring, Bolt Stop Pin
  • Rear Pivot Pin
  • Buffer Retainer, Buffer Retainer Spring
  • Magazine Catch Button, Magazine Catch Spring, Magazine Catch
  • Rear Take Down Pin
  • Selector (Safety), Selector Detent, Selector Detent Spring
  • BCM Enhanced Trigger Guard, BCM Trigger Guard Pin, BCM Trigger Guard Screw
  • BCM Pistol Grip Mod 3, Grip Screw, Locking Washer
  • Take Down/ Pivot Pin Detent, Take Down/ Pivot Pin Detent Spring
Select options This product has multiple variants. The options may be chosen on the product page

Primary Weapons Systems Carbine Buffer – H2 (4.4oz)

Out of stock

Original price was: $49.95.Current price is: $44.80.

PWS’s MOD 2 4140 Steel Body Buffers have a unique fluted design with minimum contact points, allowing debris to clear easily, while the FNC LIFE HD treatment chemically bonds in lubrication for smoother cycling.

  • H2 Weight: 4.4 oz.
  • The H2 buffer is a standard weight.
  • Material: 4140 Steel Body.
  • Platform: AR-15
  • Made in the USA.

Seekins Precision Safety Selector Kit

Out of stock

$60.91

The Safety Selector Kit is one of Seekins most popular sellers. This fully ambidextrous kit allows for 90 and 60-degree selector throw to fit any shooting style.

  • Material: Lever- 6061-T6 / Barrel- 1144 steel.
  • Coating: Anodized.
  • Color: Black, Red, FDE.
  • Fully Ambidextrous.
  • Drop-in replacement for Mil-Spec selector switch.
  • * Not recommended to be used with Hiperfire triggers.
Select options This product has multiple variants. The options may be chosen on the product page

Colt’s Manufacturing M4 Carbine EPR Upper – 11.5″

Out of stock

$1,113.66

Built for the demanding use of those who protect our communities every day, the Colt Enhanced Patrol Rifle Upper (EPR) is the next evolution in the world’s most dependable, thoroughly field-tested patrol upper.

  • Barrel: 11.5″
  • Caliber: .556 NATO
  • Finish: Matte Black
  • Sights: MagPul MBUS Pro Front & Rear
  • Rate of Twist: 1-in-7″
  • Picatinny top rail.
  • M-LOK on the 3, 6, and 9 o’clock side of the rail.
  • Complete BCG.
  • A2 Flash hider.
  • Charging Handle.
  • Centurion CMR M-Lok Handguard.
  • 11.5″ Barrel.

Timney Triggers Calvin Elite Trigger for AR-15 – Red

Out of stock

Original price was: $363.99.Current price is: $331.49.