The Brownells AR-15/M16 Colt 5.56 NATO Maximum Headspace Field Gauge is a precision gunsmithing tool used to verify chamber headspace on AR-15 and M16 pattern rifles. Measuring 1.4736 inches, this field gauge identifies chambers that are at or beyond maximum headspace tolerances, helping ensure safe and reliable function. Designed specifically for Colt-spec 5.56x45mm NATO chambers. An essential tool for gunsmiths and armorers performing chamber inspections and barrel installations.
Brownells AR-15/M16 Colt 5.56 NATO Maximum Headspace Field Gauge 1.4736"
MSRP:
$46.45
$39.02
(You save
$7.43
)
In stock
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- Flat $15.99 shipping on most orders
- ships in 1–2 business days
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- Family-owned FFL 01/08 SOT · A+ on GunBroker, 700+ reviews
- 5.56 NATO
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Brownells
Brownells AR-15/M16 Colt 5.56 NATO Maximum Headspace Field Gauge 1.4736"
Specifications
- SKU:
- 319418033
- UPC:
- 757253992421
- Style:
- Field Gauge
- Cartridge:
- AKK_5.56 mm NATO
- Caliber:
- 5.56 NATO
- compatibility:
- AR-15/M16 Colt-spec chambers
- gauge type:
- Field Gauge
- dimension:
- 1.4736 inches
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