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Ballistic Advantage 18” 6.5 Grendel SPR Rifle Barrel – Precision Built for Long-Range Performance
If you're building a long-range AR-15 with enhanced accuracy and power, the Ballistic Advantage 18” 6.5 Grendel SPR barrel is a standout choice. Precision machined from 4150 chrome moly steel with a durable QPQ nitride finish, this barrel is optimized for extended-range shooting without adding excessive weight.
The SPR profile gives you a strong, stable barrel that's ideal for accuracy-focused builds. It features a 1:8 twist rate that reliably stabilizes 6.5 Grendel bullets in the 120–130 grain range — ideal for match shooting or hunting applications. With its rifle-length gas system and threaded 5/8x24 muzzle, this barrel is suppressor-ready and designed to run smooth with low recoil.
Every BA barrel is HP and MPI tested to guarantee quality and performance. Whether you're upgrading a Grendel upper or starting a new SPR-style build, this barrel offers the performance serious shooters demand.
🔧 Barrel Specs:
- Caliber: 6.5 Grendel Type 2 (.136” bolt face)
- Length: 18”
- Gas System: Rifle-length
- Profile: SPR (Special Purpose Rifle)
- Twist Rate: 1:8
- Threaded: 5/8x24
- Finish: QPQ Nitride
- Material: 4150 CMV Steel
- HP/MPI Tested
- Made in the USA
Looking to complete your 6.5 Grendel AR-15 build? Pair this Ballistic Advantage SPR barrel with a Type 2 6.5 Grendel bolt and one of our AR-15 bolt carrier groups for smooth, reliable cycling.
Need a receiver to match? Browse our AR-15 upper receivers for a secure, mil-spec fit. You can also shop all 6.5 Grendel barrels and Ballistic Advantage parts to explore more premium options.
Find everything you need to build with confidence in our complete selection of AR-15 parts.
❓ Frequently Asked Questions
Q: Is this barrel compatible with standard AR-15 uppers?
A: Yes. It fits any mil-spec AR-15 upper receiver, but it requires a Type 2 bolt (.136” face) and 6.5 Grendel-specific magazines.
Q: What is an SPR profile barrel?
A: SPR stands for Special Purpose Rifle — this profile offers a balance between standard and heavy barrels, giving you improved accuracy without excessive weight.
Q: What twist rate is best for 6.5 Grendel?
A: A 1:8 twist is ideal for stabilizing common 6.5 Grendel bullet weights from 100 to 130 grains, making it a versatile choice for most shooters.
Q: Is this barrel threaded for a suppressor?
A: Yes, it’s threaded 5/8x24, making it compatible with most muzzle brakes, flash hiders, and suppressors.
Q: Is the barrel high pressure and MPI tested?
A: Absolutely — every Ballistic Advantage barrel undergoes HP and MPI testing for safety and reliability.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov.
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