Trijicon TRTA11J308G ACOG 3.5×35 Optic (Calibrated .308) – 2-pack
Log in to view prices
Trijicon TRTA11J308G ACOG 3.5×35 optic, calibrated for .308 Winchester, includes TA51 flattop mounting adapter and illuminated fiber-optic & tritium reticle; sold as a package quantity of 2 (SKU TRTA11J308G).
Guaranteed safe checkout

Description
Description
Product Overview
Trijicon TRTA11J308G is an ACOG 3.5×35 optic listed in the Scopes and Optics category. This listing is a package of two optics (Package Qty: 2) and the product is identified by SKU TRTA11J308G.
Why This Product
The listing combines a 3.5×35 ACOG optic that is explicitly calibrated for .308 Winchester with a TA51 flattop mounting adapter, and an illuminated reticle using fiber optics and tritium—facts that matter when selecting optics for rifles chambered in .308WIN and for platforms needing a flattop-compatible mount.
Key Verified Specifications
- Manufacturer / Brand: Trijicon (source: product metadata)
- Model / SKU: TRTA11J308G (source: woocommerce_identifier)
- Optic type: ACOG 3.5×35 (from existing product full title)
- Calibrated for: .308WIN (source: ADDITIONALFEATURE2)
- Mounting adapter: TA51 Flattop Mounting Adapter (source: ADDITIONALFEATURE1)
- Illumination: Fiber Optics & Tritium (source: ADDITIONALFEATURE3)
- Package quantity: 2 (source: Package Qty / Pkg Qty)
Appropriate Use Cases
- Equipping rifles chambered in .308 Winchester where a fixed 3.5x magnification ACOG calibrated for .308WIN is required (source: ADDITIONALFEATURE2).
- Fitting the optic to flattop-style upper receivers using the included TA51 flattop mounting adapter (source: ADDITIONALFEATURE1).
- Operations or daytime-to-low-light roles that need a non-battery illuminated reticle (fiber optics and tritium illumination) for sighting (source: ADDITIONALFEATURE3).
What Customers Should Know
- This product is sold as a package quantity of two; verify ordering quantity against your procurement needs (source: Package Qty).
- Calibrated specifically for .308WIN—confirm that your rifle and intended ballistics match a .308WIN-calibrated optic before purchase (source: ADDITIONALFEATURE2).
- The listing includes a TA51 flattop mounting adapter. Confirm your receiver or rail configuration accepts TA51-style mounting adapters (source: ADDITIONALFEATURE1).
- SKU for ordering and inventory: TRTA11J308G (source: SKU).
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

