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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
Build history on GunPartPicker
Builders have added the FN America FN 20" CHF Government Rifle, 5.56x45mm 1:7 Rh Twist to their builds on GunPartPicker. Since April 2026, it ranks #505 of the 1,041 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.
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 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Radical Firearms 5.56 Barreled AR-15 Upper - 16" - Primary Arms Exclusive
Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15
Battle Arms Development Rack Ambidextrous AR-15 Charging Handle - Mod C
WMD Guns 5.56 AR-15 Bolt Carrier Group Without Hammer - NIB-X Finish - Black
ALG Defense Qms AR-15 Trigger Set
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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