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HORNADY A270 L-N-L MODIFIED CASE 270 WINCHESTER

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Lock-n-load Modified

Case for .270 Winchester chambers

Use Hornady

O.A.L. gauges C1000 or C1550

Manufactured Saami

Specifications

Part Hornady's

Lock-N-Load Modified Cases line

Calipers Are

Not included

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SKU: A270-090255704297

Overview

This modified case is intended for handloaders working with .270 Winchester chambers who need a compatible component for use with Hornady O.A.L. gauges. It is made to SAAMI specifications and is designed to fit common rifle chamber setups within the Lock-N-Load system. For measuring overall length, it pairs with Hornady gauge part numbers C1000 or C1550, while calipers are not included. It is a straightforward setup piece for shooters focused on cartridge measurement and load development rather than a finished ammunition component.

Why Hunters Choose the Hornady

Fits Popular

Rifle chambers in the .270

Manufactured Saami

Specifications for standardized use

Use Hornady

O.A.L. gauges C1000 or C1550

Compatible Both

Both straight and curved O.A.L

Readily Available

Modified case format for reloading

Key Features

  • Lock-N-Load Modified Case for .270 Winchester chambers
  • Designed for use with Hornady O.A.L. gauges C1000 or C1550
  • Manufactured to SAAMI specifications
  • Part of Hornady's Lock-N-Load Modified Cases line
  • Calipers are not included

Best Used For

  • Handloaders setting up O.A.L. gauges for .270 Winchester chamber measurements
  • Rifle owners checking cartridge fit with Hornady Lock-N-Load tools
  • Reloaders needing a SAAMI-spec modified case for .270 Winchester
  • Shooters working with C1000 straight or C1550 curved O.A.L. gauges

Specifications

Calipers IncludedNo
Cartridge270 Winchester
CompatibilityFits most popular rifle chambers
ModelL-N-L Modified Case
O A L Gauge CompatibilityC1000 or C1550
O A L Gauge Part Number C1000Straight overall length gauge
O A L Gauge Part Number C1550Curved
Part NumberA270
Saami SpecsYes

Pros

  • Fits popular rifle chambers in the .270 Winchester chambering.
  • Manufactured to SAAMI specifications for standardized use.
  • Designed for use with Hornady O.A.L. gauges C1000 or C1550.
  • Compatible with both straight and curved O.A.L. gauge options.
  • Readily available modified case format for reloading setup.

Considerations & Trade-offs

  • Requires a compatible Hornady O.A.L. gauge; the case is intended for use with part numbers C1000 or C1550 rather than as a standalone tool.
  • Calipers are not included, so measuring setup depends on equipment already on hand.
  • This is a modified case for 270 Winchester chamber measurement, so it is purpose-built rather than a general-purpose reloading accessory.
  • SAAMI-spec construction supports standard chamber use, but the product description does not provide additional fit or application details beyond the listed chambering.

Suggested Comparisons

  • Rifle chamber gauge accessories
  • O.A.L. gauges
  • Reloading measurement tools
  • .270 Winchester reloading components

Suggested Accessories

  • O.A.L. gauge
  • Calipers
  • Rifle chamber cleaning kit

Frequently Asked Questions

What is the Hornady A270 L-N-L Modified Case used for?

It is a Lock-N-Load Modified Case for .270 Winchester, intended to be used with Hornady O.A.L. gauges.

Which Hornady O.A.L. gauges are compatible with this modified case?

The product data says it is to be used with O.A.L. gauge part numbers C1000 or C1550.

What is the difference between Hornady C1000 and C1550?

According to the product description, C1000 is a straight overall length gauge and C1550 is curved.

Is the caliper included with this modified case?

No. The product description states that calipers are not included.

Does this modified case meet SAAMI specifications?

Yes. The product description says all Lock-N-Load Modified Cases are manufactured to SAAMI specs.