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AR15 extractor Oring TOOLCRAFT 6.5 GRENDEL BOLT - BLACK NITRIDE TOOLCRAFT 6.5 GRENDEL BOLT - NICKLE BORON
Enhance your AR15 or 308 AR10 Type extractor reliability by adding one of these Mil-Spec Fluorosilicone O-rings to your bolt assembly. If your rifle, carbine, or pistol AR15 is having reliability problems related to extracting this may be your most affordable fix and at worst will be a benefit regardless.

Similar to Armalite EB0065, but able to withstand higher temperatures.

Black Nitride Toolcraft 6.5 Grendel Bolt is machined from case hardened 9310 Steel and features; a SAMMI specification (Type 2 Bolt Face (.136")),4340 Steel Extractor, Mil-Spec Extractor Spring and O-Ring, Shot Peened and HPT/MPI and ready to drop into your mil-spec carrier.
Nickel Boron Toolcraft 6.5 Grendel Bolt is machined from case hardened 9310 Steel and features; a SAMMI specification (Type 2 Bolt Face (.136")),4340 Steel Extractor, Mil-Spec Extractor Spring and O-Ring, Shot Peened and HPT/MPI and ready to drop into your mil-spec carrier.
TOOLCRAFT 6.5 GRENDEL BLACK NITRIDE BCG W/ FORWARD ASSIST, COMPLETE TOOLCRAFT 5.56 BLACK NITRIDE BCG W/ FORWARD ASSIST, COMPLETE BALLISTIC ADVANTAGE 6.5 GRENDEL BOLT - NITRIDE
TOOLCRAFT 6.5 GRENDEL BLACK NITRIDE BCG W/ FORWARD ASSIST, COMPLETE
Our Price: $99.99
Sale Price: $74.99
Savings: $25.00
TOOLCRAFT 5.56 BLACK NITRIDE BCG W/ FORWARD ASSIST, COMPLETE
Our Price: $110.00
Sale Price: $74.99
Savings: $35.01
Your 6.5 Grendel build needs the best bolt-carrier group available, of which Toolcraft is the best manufacturer in the world. More top quality manufacturers source their bolt carrier groups from Toolcraft for this very reason and now so can you!

LIFETIME WARRANTY - Toolcraft products carry a lifetime, no questions asked, warranty.
Simply put... Should any of their products fail, return it to them for a brand new replacement.
Your AR15 in 5.56 or 300 Blackout needs the best bolt-carrier group available, of which Toolcraft is the best. More top quality manufacturers source their bolt carrier groups from Toolcraft for this very reason and now so can you. The increased rust resistance and surface hardness will make this a long lasting core part of your rifle, carbine, or pistol.

LIFETIME WARRANTY - Toolcraft products carry a lifetime, no questions asked, warranty. Simply put... Should any of their products fail, return it to them for a brand new replacement.
This 6.5 Grendel Bolt is machined from case hardened 9310 Steel and features; a Type 2 Bolt Face (.136"),4340 Steel Extractor, Mil-Spec Extractor Spring and O-Ring, Shot Peened and HPT/MPI, and is factory test fired before shipping to ensure proper function.

TOOLCRAFT 5.56 BLACK PHOSPHATE BCG W/ FORWARD ASSIST, COMPLETE ALEXANDER ARMS HARD USE BOLT ASSEMBLY - 6.5 GRENDEL TOOLCRAFT 6.5 GRENDEL NICKEL BORON BCG W/ FORWARD ASSIST, COMPLETE
TOOLCRAFT 5.56 BLACK PHOSPHATE BCG W/ FORWARD ASSIST, COMPLETE
Our Price: $99.99
Sale Price: $89.99
Savings: $10.00
TOOLCRAFT 6.5 GRENDEL NICKEL BORON BCG W/ FORWARD ASSIST, COMPLETE
Our Price: $110.00
Sale Price: $99.99
Savings: $10.01
Your AR15 in 5.56 or 300 Blackout needs the best bolt-carrier group available, of which Toolcraft is the best. More top quality manufacturers source their bolt carrier groups from Toolcraft for this very reason and now so can you.

LIFETIME WARRANTY - Toolcraft products carry a lifetime, no questions asked, warranty. Simply put... Should any of their products fail, return it to them for a brand new replacement.
These bolt assemblies are specifically designed to be compatible with standard AR-15 and M16 carriers. Alexander Arms bolts are produced to perfectly match their barrels; no head-spacing or adjusting is necessary.

These bolts feature; 0.136-inch bolt face recess, optimized extractor, ejector, gas rings, relief-cut bolt lug to prevent stress fracturing during hard use, and Ionbond protective coating. Its finish is black in color.

Your 6.5 Grendel build needs the best bolt-carrier group available, of which Toolcraft is the best manufacturer in the world. More top quality manufacturers source their bolt carrier groups from Toolcraft for this very reason and now so can you!

LIFETIME WARRANTY - Toolcraft products carry a lifetime, no questions asked, warranty.
Simply put... Should any of their products fail, return it to them for a brand new replacement.
TOOLCRAFT 5.56 NICKEL BORON BCG W/ FORWARD ASSIST, COMPLETE BALLISTIC ADVANTAGE 5.56 BCG W/ FORWARD ASSIST, COMPLETE PHOSPHATE AERO PRECISION BCG W/ FORWARD ASSIST, COMPLETE PHOSPHATE
TOOLCRAFT 5.56 NICKEL BORON BCG W/ FORWARD ASSIST, COMPLETE
Our Price: $110.00
Sale Price: $99.99
Savings: $10.01
BALLISTIC ADVANTAGE 5.56 BCG W/ FORWARD ASSIST, COMPLETE PHOSPHATE
Our Price: $119.99
Sale Price: $104.99
Savings: $15.00
AERO PRECISION 5.56 BCG W/ FORWARD ASSIST, COMPLETE PHOSPHATE
Our Price: $125.00
Sale Price: $104.99
Savings: $20.01
Your AR15 in 5.56 or 300 Blackout needs the best bolt-carrier group available, of which Toolcraft is the best. More top quality manufacturers source their bolt carrier groups from Toolcraft for this very reason and now so can you. The increased lubricity of NiB increases reliability and makes cleanup a snap.

LIFETIME WARRANTY - Toolcraft products carry a lifetime, no questions asked, warranty. Simply put... Should any of their products fail, return it to them for a brand new replacement.
Ballistic Advantage is more than just MOA guaranteed barrels. Now you can build your most accurate AR-15 with Ballistic Advantage upper and lower receivers, as well as this mil-spec machined M16/M4 phosphate bolt-carrier group that comes with matching logo as well as the popular extractor upgrade of black insert and Viton o-ring. A great quality Bolt carrier group to use to complete your next build.
AERO PRECISION BCG W/ FORWARD ASSIST, COMPLETE NITRIDE BA 6.5 GRENDEL BCG W/ FORWARD ASSIST, COMPLETE NITRIDE AERO PRECISION 5.56 NICKEL BORON BCG W/ FORWARD ASSIST, COMPLETE
AERO PRECISION 5.56 BCG W/ FORWARD ASSIST, COMPLETE NITRIDE
Our Price: $129.00
Sale Price: $110.49
Savings: $18.51
BA 6.5 GRENDEL BCG W/ FORWARD ASSIST, COMPLETE NITRIDE
Our Price: $149.00
Sale Price: $139.99
Savings: $9.01
AERO PRECISION 5.56 NICKEL BORON BCG W/ FORWARD ASSIST, COMPLETE
Our Price: $175.00
Sale Price: $145.99
Savings: $29.01
A great quality Bolt carrier group to use to complete your next build.
M16 Carrier Machined from 8620
6.5 Grendel Bolt machined from case hardened 9310 Steel
Type 2 Bolt Face (.136)
Forged Gas Key Properly Staked
4340 Steel Extractor
Mil-Spec Extractor Spring and O-Ring
Grade 8 hardware
Shot Peened Bolt
HPT/MPI
Carrier, Gas Key, Cam Pin, & Bolt, Nitride inside and out
Test Fired complete before shipping to ensure proper function
This upgraded nickel-boron bolt carrier group is an eye catching addition to your AR build. Mil-spec dimensions and coating ensure the highest quality and correct component interface. Enhanced lubricity assists in ensuring reliability during firing and easier clean-up afterwards.