$450.00
18” 6.5 Grendel Upper
- Price Negotiable?: Yes
- Phone Number: Click to view
- Condition: Used
- Listing Type: Individual
- City: Spanish Fork
- State: Utah
- Zip/Postal Code: 84660
- Local County (e.g., Summit County): Utah
- Make/Brand: Mixed
- Model: 6.5 Grendel
- Caliber: 6.5 Grendel Type II
- Terms: Must agree to terms
- Listed: November 14, 2026 11:22 pm
- Expires: 59 days, 20 hours

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Description
I’m selling this custom made 6.5 Grendel upper. These barrels were made by T-Box Barrels and branded for FFI Defense.
Type II Grendel’s will use the same bolt face as ARC cartridges.
Upper shot lights out with factory 123gr ELD-M and handloads. Consistently grouped 1/2 MOA or better at 100 yards. Best 5 shot group was with handloads at 500 yards shooting 3/8 MOA.
Barrel has roughly 150rds down it.
This has sat in my safe for 6 years as I’ve moved onto other projects.
– Aero M4E1 Upper
– BCM 15” MCMR
– SLR .750 Sentry Gas Block
– 18” 6.5 Grendel Type II Barrel
– 1:7.5 Twist
– Does NOT come with BCG or CH.
Text is always best.
Listing ID: 5266af94fb3a384e
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