All B.A.R.T. COMBO Purchases include one (1) .4oz bottle of lapping compound at no extra cost.
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.
High Quality BCG's & Bolts
If purchased with a proper-chambered/matching AR barrel on the same order, the bolt will be head-spaced to that barrel and that barrel will receive our 1MOA or better guarantee.
X-Caliber Barrel & MFG is discounting our entire inventory of In-Stock Barrels at 20% Off regular prices!
Any and all AR Barrels, Prefits or Blanks found within our In-Stock Category apply to this sale!
To see how much you're saving on each In-Stock barrel, simply add it to your cart by selecting the "Buy" button shown next to the price, then view your cart. It will show your savings on the far right of each applicable item in the cart.
Offer Only Good While supplies last! Take a look at what we have In-Stock before the barrel you want is gone!
This promotion only applies to barrels we have in-stock; if any become sold-out, we will not be able to apply this discount when making a new barrel to those specs.
This promotion does not apply to clearance items or any made-to-order barrels or other accessories.