Custom AR15 Rifle

Published on February 18, 2012
Duration: 12:05

This guide details the assembly and testing of a custom AR15 precision rifle, emphasizing high-quality components for accuracy. The build features a 20-inch YHM barrel, a free-floating handguard, a National Match trigger, and a Bushnell Trophy optic. Expert insights highlight the importance of component selection and proper assembly for achieving sub-MOA accuracy with specialized ammunition.

Quick Summary

This custom AR15 precision rifle build features a 20-inch Yankee Hill Machine diamond fluted barrel with a 1:7 twist, ideal for stabilizing heavier bullets. Tested with HPR 75-grain match ammunition, it achieved sub-MOA accuracy, demonstrating exceptional precision through careful component selection and assembly.

Chapters

  1. 00:22AR15 Customizability
  2. 01:38Barrel Specifications
  3. 02:43Handguard and Gas Block
  4. 03:41Receivers
  5. 06:37Optics
  6. 08:51Trigger and Ammo
  7. 10:02Accuracy Results

Frequently Asked Questions

What are the key components of this custom AR15 precision rifle build?

This custom AR15 features a 20-inch Yankee Hill Machine diamond fluted barrel with a 1:7 twist, a YHM free-floating handguard, a Bushmaster lower receiver, a Cero Forge upper receiver, a National Match trigger, and a Bushnell Trophy 4-12x40 scope.

What ammunition was used to test the accuracy of this custom AR15?

The rifle was tested using HPR 75-grain National Match Boat Tail Hollow Point (BTHP) .223 Remington ammunition. This match-grade ammo proved highly accurate during range sessions, contributing to the rifle's sub-MOA performance.

What kind of accuracy was achieved with this custom AR15 build?

During range testing at 50 and 100 yards, the custom AR15 achieved tight, 'one-hole' groups, demonstrating sub-MOA accuracy. This exceptional precision is attributed to the quality components and specialized ammunition used.

Why is a 1:7 twist rate important for this AR15 build?

A 1:7 twist rate is crucial for stabilizing heavier bullets, such as the 75-grain match-grade ammunition used in this build. Proper stabilization ensures the bullet maintains its aerodynamic efficiency, leading to improved accuracy at distance.

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