HORNADY 546299 6.8 SPC FULL LENGTH 2 DIE SET

The Hornady Custom Grade New Dimension 2-Die Set (546299) is a full length reloading die set chambered for 6.8mm Remington SPC, built for AR-platform shooters and rifle reloaders who handload one of the most capable intermediate hunting and defense cartridges built on the AR-15 platform and want precision sizing and consistent bullet seating in a lifetime-warranted American-made die set.

Key Features

• Part number: 546299
• Cartridge: 6.8mm Remington SPC (.277 diameter)
• Die set type: full length 2-die set
• Dies included: full length sizing die with Elliptical Expander and Zip Spindle, inline bullet seating die with floating alignment sleeve and built-in crimper
• Threads: 7/8 inch by 14, fits all standard reloading presses
• Sure-Loc locking rings: two included
• Storage box: stackable die storage box included
• Shell holder: sold separately, shell holder number 12
• Warranty: Hornady no-risk lifetime warranty
• Country of origin: United States

Special Features

• The Elliptical Expander delivers smoother neck sizing than standard ball expanders, reducing friction and case neck stretch on 6.8 SPC brass across multiple reloading cycles.
• The Zip Spindle uses a series of light threads on both the spindle and collet to positively eliminate slippage, making incremental seating depth adjustments fast and repeatable without heavy lock-down force.
• The inline floating alignment sleeve in the seating die holds the bullet, case neck, and seating stem in perfect alignment before the bullet enters the case neck, reducing runout and improving concentricity round to round.
• The built-in roll crimp in the seating die secures the bullet without a separate crimping die or extra press pass, important for reliable cycling in semi-automatic AR-platform rifles.
• Sure-Loc rings clamp around the entire die body under constant pressure, protecting die threads and holding position through long loading sessions.

Practical Benefits

• Full length sizing returns cases to SAAMI minimum dimensions, making these dies the correct choice for AR-platform rifles and any semi-automatic where reliable chambering of mixed brass is required.
• The 6.8mm Remington SPC delivers .277 caliber terminal performance from a standard AR-15 lower, making it ideal for deer-sized game, feral hogs, and defensive applications where the 5.56 falls short, and quality handloads built on this die set let you get the most from that capability.
• The 7/8 by 14 thread fits virtually every single-stage, turret, and progressive press on the market, making this a direct addition to your existing bench without adapters.
• The built-in crimp in the seating die is a practical advantage for semi-automatic reloaders where consistent bullet pull and reliable feeding matter more than in bolt-gun applications.
• If you load for a 6.8 SPC rifle and want dies that deliver consistent sizing and seating from the first case to the last, the Hornady Custom Grade 2-Die Set (546299) gives you that reliability with a lifetime guarantee behind it.