Overview – What It Is
The Redding Big Boss II is a heavy-duty single-stage press that emphasizes strength, precision, and capacity for large cartridges. It is built on a robust frame with enhanced features for demanding reloading tasks, making it suitable for everything from pistol rounds to oversized magnums. If you need a workhorse that handles extreme case forming without deflection or want a reliable tool for match-grade accuracy, this press delivers unmatched stability and leverage.
What’s in the Box
Typical contents (may vary by batch/region):
- Redding Big Boss II press (7/8″-14 die threads).
- Operating handle with ball knob.
- Smart primer arm for small and large primers.
- Spent-primer catcher with tube.
- Printed instructions and warranty information.
Usually not included: bench mounting hardware, shell holders, dies, case lube.
Materials & Build
- Frame – heavy-duty cast iron with powder-coat finish for durability and rigidity.
- Ram – large diameter steel, hollow for spent primers; provides smooth operation and strength.
- Linkage & Pins – steel; ensures consistent leverage with minimal flex.
- Handle – steel with comfortable ball knob; positioned for optimal ergonomics.
- Finish – powder coat resists corrosion, solvents, and reloading debris.
The heavy frame offers exceptional stability for heavy resizing, surpassing lighter designs in power while maintaining precision alignment. It is ideal for tasks requiring high pressure, though it may be overkill for basic pistol loading.
Key Specs & Compatibility
- Die threads: 7/8″-14 (industry standard).
- Shell holders: compatible with standard Redding/RCBS/Lee styles.
- Stroke / window: longest usable ram stroke in class (approximately 3.8 inches); largest frame opening for cartridges up to large magnums like .338 Lapua or .50 BMG.
- Spent-primer management: through-ram disposal with catcher and tube for mess-free operation.
- Mounting: three-hole base; suitable for sturdy benches or quick-change systems.
Warranty & Origin
Manufacturer: Redding Reloading Equipment (USA). Components are primarily U.S.-made with potential variations. Warranty is a limited one-year against defects in materials and workmanship under normal use; confirm current terms with Redding or your retailer via serial number or receipt for your region.
Where the Big Boss II Excels – Use Cases
- Main press for heavy-duty tasks – perfect for large magnums with its robust frame.
- Case forming station – dedicate to full-length sizing or reforming alongside a progressive.
- Rifle precision – .308 Win, 6.5 Creedmoor, .338 Lapua: reliable for micrometer dies.
- Pistol loading – 9mm, .45 ACP: strong but suitable for uniform crimps.
- Brass prep – decapping, neck expansion where strength matters.
Setup & Mounting – Do It Once, Do It Right
- Bench: solid surface (e.g., 2″ hardwood or metal); use Grade 8 bolts with washers.
- Placement: front edge for handle clearance.
- Alignment: over bench support to avoid flex.
- Primer path: attach tube to a container.
- Lubrication: light oil on ram and pins; keep clean near primers.
- Die setup: snug lock rings; verify runout with a gauge.
Real-World Notes
- Smooth ram feel aids in reading seating pressure for consistent loads.
- Large opening reduces issues with long cases during insertion.
- Primer catcher minimizes mess; check for clogs after sessions.
- Handles heavy forming without drama, producing tight groups.
- Built to last; users report minimal wear over years of use.
Competitors – Quick Context
| Model | Advantages vs. Big Boss II | Trade-offs vs. Big Boss II |
|---|---|---|
| RCBS Rock Chucker Supreme | Proven priming system; good for precision | Smaller opening; less stroke for oversize |
| Lee Classic Cast | Budget-friendly; adjustable handle | Less rigidity for magnums |
| Lyman Brass Smith Ideal | Compact for small benches | Limited strength for heavy tasks |
| Hornady Lock-N-Load Classic | Quick die changes | Potential flex in frame |
Pros & Cons
Pros
- Heavy cast iron frame for unmatched rigidity.
- Largest opening and stroke for big calibers.
- Smooth operation with powerful leverage.
- Clean spent-primer system.
- Excellent for precision and heavy forming.
Cons
- Higher cost than basic models.
- Bulky for limited spaces.
- Overbuilt for light pistol work.
- Priming may prefer hand tool for feel.
What to Buy with It (Day-One Kit)
- Shell holders for your calibers.
- Die set with micrometer seating.
- Hand priming tool (e.g., Redding or RCBS).
- Case lube and wipes.
- Runout gauge for checks.
- Quick-change plate if sharing bench.
FAQ
- Can it handle .308 Win and 6.5 Creedmoor? – Yes, with reliable sizing and seating.
- What about big magnums like .338 Lapua? – Yes, excels in heavy forming.
- Do I need on-press priming? – It works, but hand primers offer better control.
- Will it work on a portable stand? – Yes, if rigid and stable.
Who Should Buy It
- Experienced reloaders needing power for large calibers.
- Precision shooters for sub-MOA loads.
- Hunters loading magnums.
- Anyone upgrading for heavy-duty tasks.
- Pros valuing durability over compactness.
Bottom Line
The Redding Big Boss II is a premium single-stage press that rewards demanding users with strength and precision. For reloaders tackling large magnums or case forming across rifle and pistol calibers, it offers rigidity, clean operation, and repeatability without excess features. If heavy-duty performance matters, the Big Boss II is a solid investment.
