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Picture of B.A.R.T 2.0 Picture of B.A.R.T 2.0 Picture of B.A.R.T 2.0 Picture of B.A.R.T 2.0 Picture of B.A.R.T 2.0 Picture of B.A.R.T 2.0 Picture of B.A.R.T 2.0 Picture of B.A.R.T 2.0

B.A.R.T 2.0

All B.A.R.T. Purchases include up to one (1) .5oz bottle of lapping compound at no extra cost per order. Step 1: Tighten BART's head in a bench vise on the "Flats" provided. Step 2: Put barrel in upper. Slide barrel nut over barrel and finger tighten barrel nut to upper. Step 3: Slide upper onto BART 2.0 until barrel extension locks onto the teeth Step 4: Tighten barrel nut to upper with barrel nut wrench to specifications stated by handguard manufacturer.
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$123.00

Now Available, B.A.R.T. 2.0 in M4E1 and M5E1 sizes to fit the new enhanced AR uppers.  They will not properly lap the standard uppers so please use the standard-sized B.A.R.T. Tools for that purpose.

All B.A.R.T. Purchases include up to one (1) .5oz bottle of lapping compound at no extra cost per order.

If ordered alone, ships via USPS Priority Mail.  If in stock, BART Tools typically receive finishing and ship within 1-2 weeks.  If not in stock for any extended period of time, certain sizes may be removed from the dropdown menu.

Barrel And Receiver Truing Tool

B.A.R.T- 2.0 is a two in one tool.  Inserted into the front end, the tool laps the face of your AR Uppers, ensuring a perfectly square and centered fit between your Barrel and Upper.

With the head of the tool secured in vise, insert the other (splined) end through the rear of the upper until the splines engage the lugs of the barrel. You are now ready to loosen or tighten the barrel nut, muzzle brake, or suppressors and install gas blocks with ease and confidence without any need to remove sights or optics.

There is NO OTHER tool on the market like it.  This one tool does the job of TWO TOOLS, literally saving you $100 or more!  If you build or own AR’s this tool is absolutely indispensable.

*NOTE: When lapping with the B.A.R.T. Tool, it is recommended to use a hand-driver and manually turn to lap your upper, and in a pinch, a power-driver/drill can be used with discretion (on low), but *DO NOT* use an impact driver as this can damage or break the bit extension on the B.A.R.T. Tool.

It is strongly advised to utilize the B.A.R.T. Tool in a horizontal fashion.  Using it vertically in combination with lapping compound can allow the compound to run inside the upper receiver's bolt-carrier channel and cause the unintentional removal of anodizing in that location. 

Check out our B.A.R.T. Tools featured in Guns & Ammo AR-15! (PDF)

 

Now Available, B.A.R.T. 2.0 in M4E1 and M5E1 sizes to fit the new enhanced AR uppers.  They will not properly lap the standard uppers so please use the standard-sized B.A.R.T. Tools for that purpose.

All B.A.R.T. Purchases include up to one (1) .5oz bottle of lapping compound at no extra cost per order.

If ordered alone, ships via USPS Priority Mail.  If in stock, BART Tools typically receive finishing and ship within 1-2 weeks.  If not in stock for any extended period of time, certain sizes may be removed from the dropdown menu.

Barrel And Receiver Truing Tool

B.A.R.T- 2.0 is a two in one tool.  Inserted into the front end, the tool laps the face of your AR Uppers, ensuring a perfectly square and centered fit between your Barrel and Upper.

With the head of the tool secured in vise, insert the other (splined) end through the rear of the upper until the splines engage the lugs of the barrel. You are now ready to loosen or tighten the barrel nut, muzzle brake, or suppressors and install gas blocks with ease and confidence without any need to remove sights or optics.

There is NO OTHER tool on the market like it.  This one tool does the job of TWO TOOLS, literally saving you $100 or more!  If you build or own AR’s this tool is absolutely indispensable.

*NOTE: When lapping with the B.A.R.T. Tool, it is recommended to use a hand-driver and manually turn to lap your upper, and in a pinch, a power-driver/drill can be used with discretion (on low), but *DO NOT* use an impact driver as this can damage or break the bit extension on the B.A.R.T. Tool.

It is strongly advised to utilize the B.A.R.T. Tool in a horizontal fashion.  Using it vertically in combination with lapping compound can allow the compound to run inside the upper receiver's bolt-carrier channel and cause the unintentional removal of anodizing in that location. 

Check out our B.A.R.T. Tools featured in Guns & Ammo AR-15! (PDF)

 

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Multiple Tools in One
This is an excellent tool. It is both an upper receiver lapping tool as well as a "reaction rod". Purchasing these tools separately would be added cost. The X-Caliber tool is well machined, fits well into the barrel / receiver. When used as a lapping tool it is excellent with great bore alignment and tight tolerances (Aero M5E1). I have this tool for both Aero M5 receivers and barrels as well as standard AR15. High quality and if you can catch them during one of their great site-wide sales, they're a real get.
Jason | 8/26/2019 11:25 AM
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It's X-Caliber Barrel & MFG's
2024 Winter Holiday Sale! 
Going on now!
Take advantage of these Yule-Tide Savings!

For a Limited Time, get

20% OFF All Barrels
&
30% OFF Muzzle Devices

***This promotion is going on NOW and will END on
Wednesday, December 25th, 2024 at 11:59:59PM MT!***

Take advantage of this sale while it is in effect and before it's over!

Get 20% Off Carbon Fiber Barrels, All-Steel Barrels and 30% Off Muzzle Brakes!

*Offer includes Barrels, Blanks and Muzzle Brakes only.  Excludes all other items such as Bolts, Carriers, BCGs and Barrel Nuts.

If you truly wanted that premium precision edge for your rifle without paying premium prices, be sure to take advantage of this discount while it's active and before it's over!

 

Hours of Operation:

Monday through Thursday

6:00am through 3:00pm MST 

 Due to overwhelming call volume, we will not be performing order status checks on any orders still within their estimated lead-times.  We will perform status checks on those at the end of or after the estimated lead-times.  Email requests are faster as we're able to address them sooner than the phones.

Also due to overwhelming call volume, voice messages left with our Customer Support number may take quite some time to get a response.  Our phone system sometimes overwrites voice messages left by customers so please either try again or send a message to sales@x-caliber.net (as this email address can be checked and responded to anywhere by anyone here), you're far more likely to get a prompt response with an email inquiry than via phones for the time being.

Before placing an order, please double-check to ensure all details are correct beforehand!  Delays involving order change requests continue to increase.

 

Estimated Lead Times:

(ALWAYS UP-TO-DATE--Last Change 08/19/2024)

 Unturned Blanks 2-4 Weeks*

 Contoured Blanks 3-6 Weeks*

Bolt-Action Prefits 6-8 Weeks*

AR Barrels 7-10 Weeks*

Muzzle Devices/BART Tools 1-4 Weeks*

Carbon Fiber adds +1-2 weeks to base barrel/blank type lead time

Cryogenics adds +2-3 weeks to base barrel/blank type lead time

Cerakote adds +1-2 weeks to base lead time

Expedite Option reduces estimated lead time by approx. 50%-25%, not including 3rd party service lead times such as Cryogenics or Cerakote

  *Wait times are just an estimate, as tools can break or go out-of-spec requiring replacement or machines can go down requiring servicing, extending our lead time by 6 to 8 weeks or more

 

Please read our Frequently Asked Questions (FAQ) Page for more information.

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