Fn Ar-15 M16 Barrel 18 Rifle Length 5.56mm
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FN America
Overview
The FN AR-15 M16 Barrel is an 18-inch, M4 profile barrel designed for optimal performance with 5.56 NATO ammunition. Featuring a rifle-length gas system with a .750 gas block diameter, this barrel is tailored for reliable cycling and accuracy, while its 1:8 twist rate provides versatility in stabilizing a range of bullet weights. This barrel is commonly found in builds that prioritize a rifle-length gas system and utilize 5.56 NATO caliber, making it a solid choice for precision and reliability.
Specifications
Frequently Built With
Based on build data
Wmd Guns Ar-15 Gas Tube Nitromet Rifle
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
B5 Systems Trigger Guard ATG-001-01
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Timber Creek AR Forward Assist, Black
Rise Armament Super Sporting Ar15/10 Single Stage Trigger - Flat - Dtom Special Edition
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.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
| Product | Category | Times Built Together |
|---|---|---|
| Wmd Guns Ar-15 Gas Tube Nitromet Rifle | 4 | |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | 4 | |
| B5 Systems Trigger Guard ATG-001-01 | 3 | |
| Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4 | 3 | |
| Timber Creek AR Forward Assist, Black | 2 | |
| Rise Armament Super Sporting Ar15/10 Single Stage Trigger - Flat - Dtom Special Edition | 2 |
| Platform | Percentage |
|---|---|
| AR-10 | 50% |
| AR-15 | 50% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Rifle | 100% |
Builds Featuring This Part
See all 3 →Builds in the community that include the Fn Ar-15 M16 Barrel 18 Rifle Length 5.56mm
| Build | Parts | Total |
|---|---|---|
 | 28 | $3271.13 |
 | 25 | $2969.18 |
 | 10 | $948.77 |
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