Diamondback Firearms 308 Winchester 13.5" Black 1:10 Mid Length Gas System 308M135M50B10R
Click to see full view
Diamondback
Overview
The Diamondback Firearms .308 Winchester barrel features a 30-inch length and a mid-length gas system, designed to provide optimal gas flow for reliable cycling. With a twist rate of 1:10, this barrel stabilizes heavier projectiles, making it an excellent choice for precision shooting and long-range applications. This barrel is frequently found in builds that prioritize the .308 Win caliber and utilize a mid-length gas system for improved performance.
Specifications
Diamondback Firearms 308 Winchester 13.5" Black 1:10 Mid Length Gas System 308M135M50B10R
Available Merchants(4)
Prices checked
Price Alert
Log in to set a price alert on this product.
Build history on GunPartPicker
Builders on GunPartPicker first added the Diamondback Firearms 308 Winchester 13.5" Black 1:10 Mid Length Gas System 308M135M50B10R to a build in May 2026.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 4 retailers we track have it in stock. Prices barely moved in August 2026, holding around $128.80, so there haven't been real sales lately. Buying today, the lowest price is $116 at BattleHawk Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
Not sure which barrel to pick?
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the 4 builds that include this one
Aero Precision M5 308 Winchester/7.62 NATO Stripped Upper Receiver - APAR308503C
Aero Precision AR-10 Stripped Lower Receiver Anodized Black
WMD Guns AR-15 Gas Tube Nitromet Mid-Length
Strike Industries AR-15 Buffer Tube - 7-Position Advanced Receiver Extension - Red
AR-308 Shorty (2.5") Collapsible Stock Recoil Buffer
Phase 5 Tactical Extended Ambidextrous Bolt Release V3 - Red Cerakote
No reviews yet. Be the first to review this product!