18" 204 Ruger Upper | Shaw Match Grade Stainless HBAR Barrel | 15" Light M-LOK Handguard

18" 204 Ruger Upper for AR-15 with Shaw Match Grade Stainless Barrel and 15" M-LOK Rail

The 204 Ruger upper delivers exceptional velocity, flat trajectories, and minimal recoil in a compact AR-15 precision platform. This 18" configuration combines a Shaw Match Grade 416R stainless steel HBAR barrel with a lightweight free-float M-LOK handguard, making it an excellent choice for predator hunting, varmint control, and precision shooting where mobility and accuracy matter.

Quick Glance:

Caliber: .204 Ruger
Platform: AR-15
Barrel Length: 18 inches
Barrel Manufacturer: Shaw Match Grade
Barrel Material: 416R Stainless Steel HBAR
Twist Rate: 1:12 Twist
Gas System: Rifle Length
Handguard Length: 15 inches
Handguard Type: Lightweight Free-Float M-LOK
Upper Receiver: Forged 7075-T6 Mil-Spec AR-15 Upper
Gas Block: .750" Low Profile Nitride
Muzzle Device: A2 Flash Hider with Crush Washer
Headspace Checked: Yes - Manson GO and NO-GO Gauges
Assembly: Fully Assembled and Ready to Install

Full Details:

Upper Receiver:
AR-15 Mil-Spec forged aluminum upper receiver with forward assist and dust cover assembly installed. Forged from 7075-T6 aluminum and protected by a matte black MIL-A-8625 Type III, Class 2 hard coat anodized finish for excellent durability and corrosion resistance.

Barrel:
Shaw Match Grade 18" .204 Ruger barrel manufactured from 416R stainless steel with an HBAR profile and 1:12 twist rate. Features 1/2x28 muzzle threads, standard AR-15 barrel extension, M4 feed ramps, and is individually headspace checked using Manson GO and NO-GO gauges.

Handguard:
Premium lightweight 15" extended rifle-length narrow-profile AR-15 free-float M-LOK handguard. M-LOK slots along the 3, 6, and 9 o'clock positions allow easy attachment of bipods, lights, grips, lasers, and other compatible accessories. Machined from 6061 aircraft aluminum with a matte black hard coat anodized finish.

Gas System:
Rifle-length gas system paired with a .750" low-profile gas block featuring a durable nitride finish.

Muzzle Device:
A2 flash hider installed with crush washer.

Ready to Install:
This upper arrives fully assembled and ready to use. It is compatible with standard Mil-Spec dimension AR-15 lower receivers.

Important:
This product is not a firearm and will be shipped directly to you. No FFL transfer is required.

Ballistic Barn AR-15 uppers are built with quality components and precision assembly practices. Every barrel is individually checked for proper headspace using Manson GO and NO-GO gauges to help ensure reliable function and accuracy.