

Shipping costs and estimates depend on your destination. Delivery details
Request within 30 days of delivery. Conditions and exclusions apply. Return policy
Tracking is emailed after dispatch. Remote routes may take longer. Shipping policy
RCBS brings decades of die-making expertise to the .300 AAC Blackout SB Taper Crimp Die Set. This precision kit is purpose-built for AR-style and semi-automatic platforms, combining strong materials with careful finishing to support consistent ammunition components. The set is designed to endure the rigors of regular reloading sessions, delivering dependable performance across loads while maintaining tight tolerances that matter for reliable chamber fit and crimp control.
Crafted from case-hardened steel, each die undergoes meticulous drilling and reaming to align with exacting standards. The full-length sizer is designed with vents to prevent trapped air and excess lubricant, helping protect your cases during resizing. The seater die integrates a built-in taper crimp, ensuring a controlled closure on the bullet to maintain consistent seating depth and bullet alignment. Headspace is held to minimum tolerances, helping to minimize changes to case body length during full-length sizing. This combination of design choices, hand-polishing, and durable finishing aims to deliver long-term use with repeatable results.
Q: What is included in the RCBS .300 AAC Blackout SB Taper Crimp Die Set?
A: The set includes a small base sizing die and a taper crimp seating die for .300 AAC Blackout.
Q: Why choose RCBS precision dies for reloading?
A: RCBS dies are built from hardened steel with precision finishing for durable, repeatable sizing and seating performance.
Orders ship across Canada. The shipping policy lists 1–2 business days for processing, followed by estimated delivery after dispatch: 3–7 business days for most Canadian provinces, or 7–14 business days for remote and Northern communities. These are estimates, not delivery guarantees.
Shipping costs, if any, and applicable taxes are shown at checkout before payment. Tracking details are emailed after dispatch. See the shipping policy for destination details, delays and split shipments.
Request an eligible return within 30 days of delivery. Items must meet the policy's condition requirements, including being unused/unworn with tags, accessories, parts and proof of purchase. Conditions and exclusions apply, including those for used items, gift cards and marked final-sale items.
For eligible returns, a prepaid return label is provided. Start by emailing canadawildco@gmail.com. Refunds are normally issued within 5–10 business days after the returned item is received; your payment provider may take additional time.
Read the full return and refund policy for eligibility, packaging requirements, exclusions and damaged or incorrect items.
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