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Home Reloading Measuring Tools Case Gauges & Headspace Tools BROWNELLS CASE MOUTH AND NECK TENSION GAGE Support
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BROWNELLS
CASE MOUTH AND NECK TENSION GAGE

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857042005025 100015615
Measuring neck diameter with calipers is an "iffy" proposition at best. A small burr on the case mouth, a slight angle to the calipers, or even just placing too much tnsion on the calipers can give distorted readings. Improper neck tension can make preojectile insertion more difficult, or even cause a safety issue if the neck is too loose. This gage is for 224 diameter and 308/310 diameter brass. It will do cartridges such as .223 Remington, 5.56mm NATO, 7.62mm NATO, .308 Win, .30-06, 7.62x39mm, and many more.

SPECS: Steps are .218, .221 and .224 on the 22 side, .302, .305 and .310 on the 30 caliber side.

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19.9 19.9 1 GBP
Product no.: 100015615
BROWNELLS 224/308 CASE MOUTH GAUGE
Mfr Part: T1522-C12 857042005025 Measuring neck diameter with calipers is an "iffy" proposition at best. A small burr on the case mouth, a slight angle to the calipers, or even just placing too much tnsion on the calipers can give distorted readings. Improper neck tension can make preojectile insertion more difficult, or even cause a safety issue if the neck is too loose. This gage is for 224 diameter and 308/310 diameter brass. It will do cartridges such as .223 Remington, 5.56mm NATO, 7.62mm NATO, .308 Win, .30-06, 7.62x39mm, and many more.
19.9 GBP 28 £19.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 30 Caliber (.308), 22 Caliber (.224)
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Top takeaways

  1. Using calipers for measuring neck diameter can be inaccurate due to potential burrs, angle errors, or excess tension.
  2. The gauge is designed for .224 and .308/.310 diameter brass, accommodating cartridges like .223 Remington, 5.56mm NATO, and .308 Win.
  3. It features specific steps for measurement: .218, .221, .224 for 22 caliber and .302, .305, .310 for 30 caliber.

Attributes

Caliber: 22 Caliber (.224),30 Caliber (.308) Delivery weight: 0.027kg Shipping height: 19mm Shipping width: 66mm Shipping length: 160mm UPC : 857042005025

Item details

Made in USA



Ensure precise neck tension with the Brownells Case Mouth and Neck Tension Gage. 🔧 Perfect for .224 and .308 cartridges!

Measuring neck diameter with calipers is an "iffy" proposition at best. A small burr on the case mouth, a slight angle to the calipers, or even just placing too much tnsion on the calipers can give distorted readings. Improper neck tension can make preojectile insertion more difficult, or even cause a safety issue if the neck is too loose. This gage is for 224 diameter and 308/310 diameter brass. It will do cartridges such as .223 Remington, 5.56mm NATO, 7.62mm NATO, .308 Win, .30-06, 7.62x39mm, and many more.

SPECS: Steps are .218, .221 and .224 on the 22 side, .302, .305 and .310 on the 30 caliber side.

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