Diamondback Firearms 308 Winchester 13.5" Black 1:10 Mid Length Gas System 308M135M50B10R
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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
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 September 2026, and today 3 of the 4 retailers we track have it in stock. Prices barely moved in September 2026, holding around $128.80, so there haven't been real sales lately. Buying today, the lowest price is $125.99 at Optics Planet, which matches the best price we saw in September.
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
Aero Precision M5 308 Winchester/7.62 NATO Stripped Upper Receiver - APAR308503C
Aero Precision AR-10 Stripped Lower Receiver Anodized Black
ODIN Works Xmr 3 Extended AR-15 Magazine Release - Red
Phase 5 Tactical Extended Ambidextrous Bolt Release V3 - Red Cerakote
Strike Industries Cobra Billet Aluminum Trigger Guard - Red
BRAVO COMPANY AR15/M16 QD Receiver End Plate (BCM-EPM4-QD)
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