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AR15 Bolt Carrier Groups for Sales at Northern Rifleman
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BT-01H Luth AR Helical 1 Piece Gas Ring

Helical 1 Piece – Gas Ring

List Price: $3.74
Our Price: $2.75
Savings: $0.99
333 in stock!
BT-01-3P Luth AR Bolt Gas Rings (3 pack)

Bolt, Gas Rings (3-Pack)

List Price: $3.99
Our Price: $3.50
Savings: $0.49
376 in stock!
BT-08-OR-10 Luth AR Extractor O'ring 10 pack

Gunsmith Extractor O’ Ring 10 – Pack.

Extractor O’ Ring AR15 is designed to go over the bolt extractor spring, typically on short barreled applications to help with extractor reliability.

List Price: $10.99
Our Price: $7.75
Savings: $3.24
44 in stock!
EXO-FIRINGPIN01 Fail Zero EXO Firing Pin

This EXO Nickel Boron coated firing pin provides a permanently lubricious surface for extreme durability and increased wear and corrosion resistance.

MSRP $12.50
Our Price: $10.00
Savings: $2.50
(Out of Stock)
EXO-BOLTASSEMBLY01 Fail Zero EXO Bolt Assembly

This fully assembled and NiB coated (5.56/.223) bolt assembly is compatible with most mil spec AR15, M16, M4 Carriers. EXO Nickel Boron provides permanent dry lubricity; increased wear and corrosion resistance. By reducing friction this bolt assembly will make for easy cleanup and improve the performance of your rifle.

Nickel Boron treated parts include:
EXO Coated Bolt - Case Hardened, Shot Peened and MPI (Magnetic Particle Inspected)
EXO Coated Extractor (fully assembled)
All other components are Mil-Spec

MSRP $85.00
Our Price: $91.50
(Out of Stock)
NITRIDE-01-NH Fail Zero M16/M4 Bolt Carrier Group No Hammer Black Nitride

This BCG is designed for shooters looking for a tactical advantage resulting from the non-reflective properties of Black Nitride. The carrier comes with a Black Nitride finish for great corrosion protection and wear resistance.

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are Black Salt Bath Nitride Finished which provides durability and increases both wear and corrosion resistance.

Black Nitride treated parts include:
- Bolt & Extractor (5.56/.223 compatible)
- Bolt Carrier
- Extractor
- Cam Pin
- Carrier Key

Firing Pin has chrome finish

List Price: $109.99
Our Price: $106.75
Savings: $3.24
(Out of Stock)
BC-A-223 Luth AR Complete Bolt Carrier Group 223

Includes entire Bolt Carrier Assembly/Extractor Assembly for AR’s.

- Bolt Carrier
- Carrier Key
- Firing Pin
- Cam Pin
- Firing Pin Retaining Pin

MSRP $119.95
Our Price: $123.75
(Out of Stock)
009-FZM16/4-01-NH Fail Zero M16 Bolt Carrier Group

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. Our patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

Nickel Boron treated parts include:
Bolt & Extractor (5.56/.223 compatible)
Bolt Carrier
Extractor
Cam Pin
Carrier Key
Firing Pin

MSRP $159.99
Our Price: $129.50
Savings: $30.49
(Out of Stock)
ST5BG01 Spike's M16 Bolt Carrier Group Black

Your Bolt Carrier Group is one of the most critical parts of your build. Don’t buy an imitation. This is the same BCG we use on our builds.

Complete Phosphate M-16 BCG

Phosphate Coating Inside and Out (Bolt, Carrier, and Gas Key)

Laser Engraved with ST Spider logo

Mil Spec Carrier
- 8620 Tool Steel
- Full Auto M-16

Mil Spec Bolt
- 158 Carpenter Steel
- Shot Peened
- High Pressure Tested (HPT)
- Magnetic Particle Inspected (MPI)

Mil Spec Extractor
- 8620 Tool Steel
- Phosphate Finish
- Extractor Spring
- Black Extractor Insert
- Viton O-Ring

Mil Spec Gas Key
- 8620 Tool Steel
- Grade 8 Hardware
- Properly Staked
- Chrome Interior

Firing Pin with Hard Chrome Finish

Cam Pin Phosphate Finish

Retaining Pin

Weight: 11.6oz

List Price: $149.95
Our Price: $144.00
Savings: $5.95
(Out of Stock)
M16/4-01-NH-BLACK Fail Zero M16/M4 Bolt Carrier Group No Hammer Black

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. Our patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

Black Finish

Nickel Boron treated parts include:
Bolt & Extractor (5.56/.223 compatible)
Bolt Carrier
Extractor
Cam Pin
Carrier Key
Firing Pin

MSRP $169.99
Our Price: $144.75
Savings: $25.24
(Out of Stock)
M164-01-NH-MATTE Fail Zero M16/M4 Bolt Carrier Group No Hammer Matte

FailZero M16/M4 Bolt Carrier Group Matte No Hammer FZ-M164-01-NH-MATTEThis Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. Our patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

Matte Finish

Nickel Boron treated parts include:
Bolt & Extractor (5.56/.223 compatible)
Bolt Carrier
Extractor
Cam Pin
Carrier Key
Firing Pin

MSRP $169.99
Our Price: $144.75
Savings: $25.24
(Out of Stock)
458-01-NH Fail Zero 458 SOCOM Bolt Carrier Group No Hammer Nickle Boron

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec .458 SOCOM Upper Receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanents dry lubricity, extreme durability, increase wear and corrosion resistance. Our patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

Nickel Boron treated parts include:
Bolt & Extractor (.458 SOCOM and .450 Bushmaster compatible)
Bolt Carrier
Extractor
Cam Pin
Carrier Key
Firing Pin

MSRP $179.99
Our Price: $160.00
Savings: $19.99
(Out of Stock)
M164-01-SAH Fail Zero M16/M4 Bolt Carrier Group

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. Our patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

Nickel Boron treated parts include:
Bolt & Extractor (5.56/.223 compatible)
Bolt Carrier
Semi-Auto Hammer (single stage)
Extractor
Cam Pin
Carrier Key
Firing Pin

MSRP $185.00
Our Price: $160.00
Savings: $25.00
(Out of Stock)
6.8SPC-01-NH Fail Zero 6.8SPC Bolt Carrier Group No Hammer Nickel Boron

Description This 6.8 SPC Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6.8 SPC. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. EXO Nickel Boron makes for easy cleanup and will improve the performance of your rifle. This 6.8 SPC bolt assembly is also compatible with the 6.8 SPC II cartridges. The Extractor hardware includes a heavy spring, silicone insert, and o-ring to give better extraction tension.

Nickel Boron treated parts include:
Bolt & Extractor (6.8 SPC compatible)
M16 Cut Bolt Carrier
Cam Pin
Carrier Key
Firing Pin

224 Valkyrie Compatible!

MSRP $179.99
Our Price: $160.00
Savings: $19.99
(Out of Stock)
7.62X39-01-NH Fail Zero 7.62X39 Bolt Carrier Group No Hammer Nickel Boron

This 7.62x39 Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil-spec upper receivers chambered in 7.62x39. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. EXO Nickel Boron makes for easy cleanup even with the corrosive 7.62x39 ammo and will improve the performance of your rifle. The bolt keeps the Mil-Spec length for a more reliable bolt. The Extractor hardware includes a heavy spring, silicone insert, and o-ring to give better extraction tension. Included is a Black Rifle Arms Enhanced Firing Pin that has a longer length as well as other dimensional changes beyond overall length for better performance without over penetration. Due to the Mil-Spec bolt length and enhanced firing pin, you can shoot most Russian ammo including Tula.

Note: Tula Ammunition and Golden Tiger have issues where some primers are set too far in and will still cause light strikes even with an Enhanced Firing Pin.

Nickel Boron treated parts include:
Bolt & Extractor (7.62x39 compatible)
M16 Cut Bolt Carrier
Cam Pin
Carrier Key

MSRP $179.99
Our Price: $160.00
Savings: $19.99
(Out of Stock)
LW-BCG-01-NH Fail Zero Lightweight Bolt Carrier Group

This low mass BCG provides smoother operation and less recoil resulting in faster target reacquisition for quicker follow-up rounds. This is critical in competition shooting and actual tactical situations.

This FZ Lightweight BCG runs as great as it looks! Like all FailZero products it is easier to clean and maintain, and guaranteed for life.

Features
– 21% weight reduction from standard Mil-Spec carrier
– FZ logo engraved into the carrier – New high polish finish on all components

Benefits
– Smoother operation! Less mass helps minimize the overall movement and reduces felt recoil
– Lightweight is great for competition shooters as well as hunters looking for lighter gear
– All components are EXO Nickel Boron coated which adds to the smooth operation, extended wear and easier cleaning
– Lighter weight means faster follow up shots and better control of groupings

Specs
– Carrier weighs only 6.4 oz and complete BCG is only 9.2 oz
– Compatible in all Mil-spec AR Platforms
– All components are EXO Nickel Boron with a high polish finish
– Compatible with 5.56, .223, and 300 Blackout

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. Our patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.

Nickel Boron treated parts include:
- Bolt & Extractor (5.56/.223 compatible)
- Lightweight Bolt Carrier
- Extractor Cam Pin
- Carrier Key
- Firing Pin

List Price: $224.99
Our Price: $205.75
Savings: $19.24
(Out of Stock)
ST5BG03 Spike's Bolt Carrier Group 5.56 Nickle Boron

Your Bolt Carrier Group is one of the most critical parts of your build. Don’t buy an imitation. This is the same BCG we use on our builds.

Complete Nickel Boron Plated M-16 BCG

Nickel Boron Coating Inside and Out (Bolt, Carrier, and Gas Key)

Laser Engraved with ST Spider logo

Mil Spec Carrier
- 8620 Tool Steel
- Full Auto M-16

Bolt
- 158 Carpenter Steel
- Shot Peened
- High Pressure Tested (HPT)
- Magnetic Particle Inspected (MPI)

Mil Spec Extractor
- 8620 Tool Steel
- Nickel Boron Finish
- Extractor Spring
- Black Extractor Insert
- Viton O-Ring

Mil Spec Gas Key
- 8620 Tool Steel
- Grade 8 Hardware
- Properly Staked

Firing Pin with Hard Chrome Finish

Cam Pin Nickel Boron Finish

Retaining Pin

Weight: 11.6oz

List Price: $225.00
Our Price: $216.00
Savings: $9.00
(Out of Stock)
ST5BG05 Spike's M16 Bolt Carrier Group Liteweight

Your Bolt Carrier Group is one of the most critical parts of your build. Don’t buy an imitation. This is the same BCG we use on our builds.

Complete Nickel Boron Plated M-16 BCG

Nickel Boron Coating Inside and Out (Bolt, Carrier, and Gas Key)

Laser Engraved with ST Spider logo

Mil Spec Carrier
- 8620 Tool Steel
- Full Auto M-16
- Holes for Reduced Weight (-1oz)

Bolt
- 158 Carpenter Steel
- Shot Peened
- High Pressure Tested (HPT)
- Magnetic Particle Inspected (MPI)

Mil Spec Extractor
- 8620 Tool Steel
- Nickel Boron Finish
- Extractor Spring
- Black Extractor Insert
- Viton O-Ring

Mil Spec Gas Key
- 8620 Tool Steel
- Grade 8 Hardware
- Properly Staked

Firing Pin with Hard Chrome Finish

Cam Pin Nickel Boron Finish

Retaining Pin

Weight: 10.5oz

List Price: $250.00
Our Price: $240.00
Savings: $10.00
(Out of Stock)