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*Sinclair Hex Bullet Comparator

%1 In Stock
SKU
sinc-STD749******-1

We have been making these hex style bullet comparators for over 20 years.

As low as £43.00

We have been making these hex style bullet comparators for over 20 years, and believe we make the most accurate tools available. The holes in the Sinclair Bullet Comparators are cut with throating reamers to accurately duplicate the actual throat of a rifle. The comparator is used with calipers, and allows the reloader to accurately measure the length from the major diameter of the bullet to the case head. It also enables you to make accurate seating depth changes to your bullet seater. The Sinclair Comparator does not attach to your calipers, so your calipers are free for other measurements. Machined from stainless steel.

There are two different models of Sinclair Comparators to cover bullets calibers from .17 caliber to .338. The first model (Model #1) features holes bored and throated for .224, 6mm, .257, 6.5mm (.264), 7mm, and 308. The second model (Model #2) has holes throated for .172, .204, .224, .270, .308, and .338 caliber.

More Information
BarcodeSTD749******
SKUsinc-STD749******-1
BrandSinclair International
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FAQ - Frequently Asked Questions

Welcome to our purchasing FAQ! Here you'll find answers to our most asked questions regarding purchasing from us. If you are after Reloading FAQ's, please click HERE, where you can find more specific question and answers. Still can't find quite what you're looking for, or have something we should know? Send us an email, we're happy to help!

  • Q1: Do you ship to my country?

    A1: European countries (All items except Ammunition, Powders, Primer, Cases & Projectiles)

  • Q2: How much do I pay for shipping?

    A2: The shipping charge will be added to your order and visible on your receipt before you check out. The shipping is based on the destination country. You’ll get free shipping on orders above a certain amount.

    Free shipping on orders above: £50 for mainland UK next day deliveries.

    France - £25
    Norway – £45
    Finland – £46
    Germany – £25
    UK – £5 (Free UK Mainland with purchases over £50)
    Rest of the EU – £25-100
    Global – £100-200

  • Q3: What are the accepted payment methods?

    A3: We accept online card payment with MasterCard, VISA, Worldpay or Bank Direct Debit

  • Q4: What currency do I pay in?

    A4: The currencies used are GBP, EUR & USD The currency is chosen automatically depending on your shipping country.

  • Q5: When do I receive my order?

    A5: We dispatch all orders in 1-2 business days with DPD & Parcelforce, delivery time will depend on the shipping country and address.

  • Q6: Do I have to pay international taxes and duties?

    A6: Your order may be subject to import duties and taxes, which are levied once a shipment reaches your country. We cannot control and is not responsible for any duties/taxes applied to your package upon delivery. You will be responsible for paying additional charges for customs clearance. Customs policies vary widely from country to country; please contact your local customs office for further information.

  1. Set up your reloading bench where it (and stored components) will not be exposed to heat, sparks or flame.
  2. Establish a comfortable loading procedure and don't vary it.
  3. Keep your reloading bench, equipment and area clean and uncluttered. Label components and reloads for safe, easy identification. Never use powder from an unlabelled tin.
  4. Understand what you are doing and why it must be done in a specific way.
  5. Follow loading recommendations exactly. Don't substitute components for those listed in metallic data without reducing the load and working back up.
  6. Never substitute smokeless powder for black powder or Pyrodex because smokeless powder is much more powerful than black powder. Never mix two powders together.
  7. Wear safety glasses.
  8. Stay alert when reloading. Don't reload when distracted, disoriented or tired.
  9. Don't smoke, drink alcohol or take drugs while reloading or while in your reloading area.
  10. Keep everything out of reach of small children.
Rifle Calibre Name Common Metric Name Bullet Diameter
.17 4.5mm .172" 
.204 5.2mm .204"
.223 5.56mm .224"
.22 (Rimfire) 5.6mm .223"
.22 (Centrefire) 5.6mm .224"
.243 6mm .243"
.257 6.53mm .257"
.260 6.5mm .264"
.270 6.8mm .277"
.280 7mm .284"
.30 7.62mm .308"
.325 8mm .323"
.33 8.6mm .338"
.366 9.3mm .366
.375 9.5mm .375"
.416 10.6mm .416"
.50 13mm .510"

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