Home > AR15 Parts > AR15 Receivers
AR15 Upper and Lower Receivers for Sale at Northern Rifleman
Sort By:
Page of 1
UR-05A Luth AR Ejection Port Cover Assembly

Luth AR Ejection Port Cover Assembly

MSRP $6.99
Our Price: $5.25
Savings: $1.74
682 in stock!
RBTTKSDC UTG Quick Install Cover 223/556 Black

• Matte Black Impact and Heat Resistant Polymer Construction with Steel Spring-loaded Detent
• Patented Tool-free Design Quickly Installs Without Having to Remove The Handguard Prior
• Compatible with all .223/5.56 Mil-spec. and Most Billet Upper Receivers

Material: Polymer
Height: 0.91"
Length : 3.3"
Weight: 0.6 oz
Color: Black

List Price: $11.97
Our Price: $8.25
Savings: $3.72
195 in stock!
SED7003 Spike's Ejection Port Cover Pirate

We offer our standard ejection port door or if you want to customize your rifle we have a selection of custom engravings for you to choose from.

Engraved w/ Pirate and Arrgh

Mil-Spec Ejection Port Door
Mil-Spec Heavy Phosphate Coating
Weight: .50oz

List Price: $9.95
Our Price: $9.50
Savings: $0.45
22 in stock!
SED7005 Spike's Ejection Port Cover Punisher

We offer our standard ejection port door or if you want to customize your rifle we have a selection of custom engravings for you to choose from.

Engraved w/ Punisher and Flag

Mil-Spec Ejection Port Door
Mil-Spec Heavy Phosphate Coating
Weight: .50oz

List Price: $9.95
Our Price: $9.50
Savings: $0.45
99 in stock!
SED7007 Spike's Ejection Port Cover Zombie

We offer our standard ejection port door or if you want to customize your rifle we have a selection of custom engravings for you to choose from.

Engraved w/ Zombie Killer

Mil-Spec Ejection Port Door
Mil-Spec Heavy Phosphate Coating
Weight: .50oz

List Price: $9.95
Our Price: $9.50
Savings: $0.45
38 in stock!
SED7010 Spike's Ejection Port Cover Spider

We offer our standard ejection port door or if you want to customize your rifle we have a selection of custom engravings for you to choose from.

Engraved w/ Spider and Flag

Mil-Spec Ejection Port Door
Mil-Spec Heavy Phosphate Coating
Weight: .50oz

List Price: $9.95
Our Price: $9.50
Savings: $0.45
37 in stock!
SED7011 Spike's Ejection Port Cover Bio Hazard

We offer our standard ejection port door or if you want to customize your rifle we have a selection of custom engravings for you to choose from.

Engraved w/ Spider and Biohazard

Mil-Spec Ejection Port Door
Mil-Spec Heavy Phosphate Coating
Weight: .50oz

List Price: $9.95
Our Price: $9.50
Savings: $0.45
10 in stock!
SED7018 Spike's Ejection Port Cover Crusader

We offer our standard ejection port door or if you want to customize your rifle we have a selection of custom engravings for you to choose from.

Engraved w/ Crusader Shield & Deus Vult

Mil-Spec Ejection Port Door
Mil-Spec Heavy Phosphate Coating
Weight: .50oz

List Price: $9.95
Our Price: $9.50
Savings: $0.45
33 in stock!
YHM-111-300 Yankee Hill Dust Cover Assembly 300 Blackout

YHM has long been a supplier of Caliber Marked upper receivers, but we soon asked ourselves "What if we want to change the caliber of that upper receiver?" For this reason, we now offer caliber marked dust covers for those who may end up changing the caliber of their top end/upper receiver,

SPECIFICATIONS
- Assemblies Include the following: Caliber Marked Dust Cover. Rod and Retaining Clip and Spring

List Price: $12.75
Our Price: $11.50
Savings: $1.25
537 in stock!
YHM-111-556 Yankee Hill Dust Cover Assembly 5.56 NATO

YHM has long been a supplier of Caliber Marked upper receivers, but we soon asked ourselves "What if we want to change the caliber of that upper receiver?" For this reason, we now offer caliber marked dust covers for those who may end up changing the caliber of their top end/upper receiver,

SPECIFICATIONS
- Assemblies Include the following: Caliber Marked Dust Cover. Rod and Retaining Clip and Spring

List Price: $12.75
Our Price: $11.50
Savings: $1.25
79 in stock!
YHM-111-9 Yankee Hill Dust Cover Assembly 9MM

YHM has long been a supplier of Caliber Marked upper receivers, but we soon asked ourselves "What if we want to change the caliber of that upper receiver?" For this reason, we now offer caliber marked dust covers for those who may end up changing the caliber of their top end/upper receiver,

SPECIFICATIONS
- Assemblies Include the following: Caliber Marked Dust Cover. Rod and Retaining Clip and Spring

List Price: $12.75
Our Price: $11.50
Savings: $1.25
43 in stock!
UR-08-R Luth AR Forward Assist Assembly

Luth AR Forward Assist Assembly

MSRP $11.95
Our Price: $11.50
Savings: $0.45
1168 in stock!
SFT5000 Spike's Forward Assist Assembly

The Spike’s Tactical Forward Assist Assembly Kit includes the pieces you need to install a functional forward assist into your stripped upper receiver.

- Mil-Spec Forward Assist
- Forward Assist Spring
- Forward Assist Retention Pin
- Weight: .79oz

List Price: $12.00
Our Price: $11.50
Savings: $0.50
749 in stock!
URPK-A3 Luth AR Upper Receiver Parts Kit

A3 Upper Receiver Parts Kit

Contains:
Ejection Port Cover
Ejection Port Rod
Ejection Port C-Clip
Ejection Port Spring
Forward Assist Button
Forward Assist Spring
Forward Assist Pin

MSRP $16.95
Our Price: $16.00
Savings: $0.95
232 in stock!
AR501603C Aero Precision AR15 Stripped Upper Black

The AR15 Stripped Upper Receiver is one of our most popular products. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower receivers for a solid and dependable fit.

Features:

- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks

MSRP $89.99
Everyday Low Price $74.75
Savings: $15.24
252 in stock!
FTT-EA Luth AR A3 Upper Receiver

.223 Stripped Upper Receiver

7075-T6 Forging, hardcoat anodized Black

The stripped .223 Remington receivers are A3 flattop with M4-type feed ramp, 12 position Picatinny accessory rail for mounting scopes or flip-up sights. Shell deflector, forward assist housing, and ready for an ejection port cover. Precision machined from a 7075-T6 aluminum forging and hardcoat anodized for a tough, scratch-resistant coating.

MSRP $114.95
Our Price: $77.50
Savings: $37.45
170 in stock!
AR501801C Aero Precision AR15 Stripped Upper FDE

The AR15 Stripped Upper Receiver is one of our most popular products. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower receivers for a solid and dependable fit.

Features:
- M4 Feedramps
- .250 takedown pin holes

MSRP $104.99
Everyday Low Price $85.75
Savings: $19.24
154 in stock!
APAR501101 Aero Precision Stripped AR15 Lower Receiver, Gen 2

Aero Precision's Gen 2 Stripped AR-15 Lower Receiver is the perfect base for your custom rifle build. Machined to mil-spec dimensions, these lowers work with standard AR15 components and ensure the highest quality with a correct component interface.

Machined from 7075-T6 forged aluminum.

Marked "Cal Multi".


MSRP $109.99
Everyday Low Price $86.00
Savings: $23.99
(Out of Stock)
YHM-110 Yankee Hill AR-15 Stripped Upper Receiver

YHM has long been a manufacturer of quality AR-15 Upper Receivers and is very proud to offer our A3 Upper Receivers. These uppers were designed, and are MACHINED 100% IN HOUSE. The top picatinny rail includes M4 Style feed ramps and "T" Markings

SPECIFICATIONS
- Made from 7075-T6 aluminum (Forged)
- Weight: 6.976 Oz.
- M4 Style feed ramps and "T" Markings
- Inside coated with dry film lube
- Accepts Standard upper receiver parts (dust covers, forward assists, etc.)
- Accepts Mil-Spec Lower receivers
- Fit and function with your standard lower receiver
- Hardcoat Anodized matte black to Military Specifications or better

List Price: $92.00
Our Price: $91.50
Savings: $0.50
141 in stock!
AR501603AC Aero Precision AR15 Assembled Upper Black

The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower receivers for a solid and dependable fit.

Features:
- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- Includes port door and forward assist

MSRP $109.99
Everyday Low Price $91.50
Savings: $18.49
84 in stock!
AR501801AC Aero Precision AR15 Assembled Upper FDE

The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower receivers for a solid and dependable fit.

Features:
- M4 Feedramps
- .250 takedown pin holes
- Port door and forward assist installed

MSRP $124.99
Everyday Low Price $102.00
Savings: $22.99
233 in stock!
FTT-EA1 Luth AR Upper Receiver Assembly with Charge Handle

The Luth-AR .223/5.56 A3 Flattop Upper Receiver comes fully assembled with an M4-type feed ramp, 12 position Picatinny accessory rail, for mounting scopes or flip-up sights. Includes a charging handle, shell deflector, forward assist, and ejection port cover. Precision machined from a 7075-T6 aluminum forging and hardcoat anodized for a tough, scratch-resistant coating.

.223/5.56 Upper Receiver Assembled

7075-T6 Forging, hardcoat anodized Black

MSRP $149.95
Our Price: $103.75
Savings: $46.20
63 in stock!
APAR501302 Aero Precision Stripped AR15 Lower Receiver FDE, Gen 2

Aero Precision's Gen 2 Stripped AR-15 Lower Receiver in Flat Dark Earth (FDE) is the perfect base for your custom rifle build. Machined to mil-spec dimensions, these lowers work with standard AR15 components and ensure the highest quality with a correct component interface.

Machined from 7075-T6 forged aluminum.

Marked "Cal Multi".

MSRP $129.99
Everyday Low Price $105.75
Savings: $24.24
(Out of Stock)
SFT50M4 Spike's M4 Upper Forged Flat Top Multi Caliber

This is the same high quality M4 Mil-Spec upper we use on our factory builds.

Forged Upper Receiver
- 7075 T6 Construction
- T-Marks
- Spike's Tactical Logo
- Forward Assist
- Ejection Port Door
- Ejection Port Door Spring
- Ejection Port Door Rod
- Weight: 8.5oz

List Price: $115.00
Our Price: $110.50
Savings: $4.50
510 in stock!
GGPCUR GGP Forged Upper Receiver

Cornerstone Lower fans have been asking for years now; "Do you make a forged upper with the same gorgeous anodizing and tight fit as your lower?” Ask and ye shall receive!

Finally you can grab what we consider the best forged upper in the biz, and it is a perfect companion for your GGP Cornerstone Lower receiver. After all, accuracy comes from tight, precise tolerances that minimize all variables from the moment the hammer strikes the firing pin until the round leaves the muzzle. By perfecting the critical tooling dimensions to the smallest degree, a forged receiver can punch the same hole down range.

  • Machined to tighter than Mil-Spec tolerances, the critical tooling dimensions are held to within +/ - .001"
  • Machined from forged 7075-T6 Aluminum
  • Black Hard anodized with a surface hardness of 60 Rockwell
  • M4 Feedramps
  • .250" Takedown pin holes
  • Engraved T-marks
  • Functions with nearly all available AR-15 parts kits and lowers
  • Match with our Cornerstone lower receiver for a solid and dependable fit
  • Stripped Receiver DOES NOT include port door, forward assist or any small parts

Weight:
0.4 lbs

List Price: $114.00
Our Price: $112.50
Savings: $1.50
(Out of Stock)
AR600001C Aero Precision M4E1 Stripped Lower Black

The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design provides that challenge much more expensive billet options" we have added several functional features to the lower receiver to simplify the assembly process for the at home builder.

MSRP $124.99
Everyday Low Price $113.50
Savings: $11.49
(Out of Stock)
AR700201AC Aero Precision M4E1 Assembled Upper Receiver Black

The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075-T6 Aluminum and precision machined to work with all mil-spec AR15 parts.

MSRP $134.99
Everyday Low Price $125.25
Savings: $9.74
94 in stock!
AR600002C Aero Precision M4E1 Stripped Lower FDE

The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design provides that challenge much more expensive billet options" we have added several functional features to the lower receiver to simplify the assembly process for the at home builder.

MSRP $144.99
Everyday Low Price $131.75
Savings: $13.24
(Out of Stock)
AR700202AC Aero Precision M4E1 Assembled Upper Receiver FDE

The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075-T6 Aluminum and precision machined to work with all mil-spec AR15 parts.

MSRP $149.99
Everyday Low Price $139.25
Savings: $10.74
115 in stock!