FN 20" CHF Government Rifle, 5.56x45mm 1:7 Rh Twist
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FN America
Overview
The FN 20" CHF Government Rifle barrel is designed for precision and reliability in 5.56 NATO builds. With a government profile and a 1:8 twist rate, this barrel effectively stabilizes a range of bullet weights, making it suitable for various shooting applications. The rifle-length gas system ensures smooth cycling and reduced recoil, which is ideal for both competitive shooting and tactical setups. This barrel is commonly found in builds that prioritize accuracy and performance with the 5.56 NATO caliber.
Specifications
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August 2026 on GunPartPicker
FN America FN 20" CHF Government Rifle, 5.56x45mm 1:7 Rh Twist ranked #97 of the 298 barrels builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #354 of the 768 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on rifle-length gas, and nearly all AR-15.
It was out of stock everywhere we track for all of August 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $321.99 at KY Gun Company for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
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