Sinclair International197558288
Sinclair International Hex Style Bullet Comparator #1 22-30 Caliber$19.99
Availability: In Stock
Precision reloading starts with accurate measurements, and the Sinclair International Hex Style Bullet Comparator #2 is built for handloaders who refuse to guess on seating depth. This stainless steel comparator works with your dial or digital calipers to measure the distance from the bullet's major diameter to the case head—a critical dimension that directly affects accuracy and pressure consistency. Unlike comparators that clamp to your calipers, Sinclair's design keeps your measuring tool free for other tasks, making your workflow faster and more flexible at the bench.
The #2 model is engineered for mid-to-large caliber work, covering the .172, .204, .224, .270, .308, and .338 caliber range. Each hole is precisely throated using reaming tools that mirror actual rifle chamber throats, so your measurements reflect real-world performance in your gun. That accuracy matters: even small changes in seating depth shift velocity and pressure, which is why Sinclair has refined this design over more than two decades. The hex-shaped body provides a stable platform and keeps the comparator from rolling on the bench.
If you're handloading for precision rifle, competition, or hunting loads where consistency wins, this comparator eliminates guesswork from the seating depth equation. Pair it with quality calipers and you'll dial in loads that shoot the same from round to round, load to load.
| Brand | Sinclair International |
| Product Type | Bullet Comparator Insert |
| Calibers Covered | .172, .204, .224, .270, .308, .338 |
| Material | Stainless Steel |
| Calipers Required | Any dial or digital caliper (not included) |
The #2 model features throated holes for .172, .204, .224, .270, .308, and .338 caliber bullets. If you reload smaller calibers like 6mm or 6.5mm, you'll want the #1 model (09-600) instead.
No. The comparator works with any standard dial or digital calipers you already own. It doesn't clamp or attach to your calipers, so you can use the same tool for other measurements without swapping accessories.
By measuring from the bullet's major diameter to the case head, you get an accurate baseline for seating depth. Sinclair's precision-throated holes replicate your rifle's actual chamber throat, so your measurements translate directly to pressure and velocity consistency. That means tighter groups and more predictable ballistics.
No. A bullet comparator measures seating depth to help you set your reloading press correctly. It's an essential tool for anyone who wants repeatable, accurate handloads.
SKU: 197558363 • Weight: 0.1oz
Availability: In Stock
Precision reloading starts with accurate measurements, and the Sinclair International Hex Style Bullet Comparator #2 is built for handloaders who refuse to guess on seating depth. This stainless steel comparator works with your dial or digital calipers to measure the distance from the bullet's major diameter to the case head—a critical dimension that directly affects accuracy and pressure consistency. Unlike comparators that clamp to your calipers, Sinclair's design keeps your measuring tool free for other tasks, making your workflow faster and more flexible at the bench.
The #2 model is engineered for mid-to-large caliber work, covering the .172, .204, .224, .270, .308, and .338 caliber range. Each hole is precisely throated using reaming tools that mirror actual rifle chamber throats, so your measurements reflect real-world performance in your gun. That accuracy matters: even small changes in seating depth shift velocity and pressure, which is why Sinclair has refined this design over more than two decades. The hex-shaped body provides a stable platform and keeps the comparator from rolling on the bench.
If you're handloading for precision rifle, competition, or hunting loads where consistency wins, this comparator eliminates guesswork from the seating depth equation. Pair it with quality calipers and you'll dial in loads that shoot the same from round to round, load to load.
| Brand | Sinclair International |
| Product Type | Bullet Comparator Insert |
| Calibers Covered | .172, .204, .224, .270, .308, .338 |
| Material | Stainless Steel |
| Calipers Required | Any dial or digital caliper (not included) |
The #2 model features throated holes for .172, .204, .224, .270, .308, and .338 caliber bullets. If you reload smaller calibers like 6mm or 6.5mm, you'll want the #1 model (09-600) instead.
No. The comparator works with any standard dial or digital calipers you already own. It doesn't clamp or attach to your calipers, so you can use the same tool for other measurements without swapping accessories.
By measuring from the bullet's major diameter to the case head, you get an accurate baseline for seating depth. Sinclair's precision-throated holes replicate your rifle's actual chamber throat, so your measurements translate directly to pressure and velocity consistency. That means tighter groups and more predictable ballistics.
No. A bullet comparator measures seating depth to help you set your reloading press correctly. It's an essential tool for anyone who wants repeatable, accurate handloads.
SKU: 197558363 • Weight: 0.1oz