Trijicon TRTA31C100550 ACOG 4×32 (Calibrated .223/5.56) — RMR Type2 3.25 MOA (Pkg 3)
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Trijicon TRTA31C100550 ACOG 4×32 optic packaged in sets of three (Pkg Qty: 3); features RMR Type2 3.25 MOA red dot, caliber calibration for .223/5.56, and fiber-optic & tritium illumination. SKU TRTA31C100550.
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Description
Description
Product Overview
Trijicon TRTA31C100550 is listed as an optic (ACOG 4×32) and supplied in a three-unit package. Verified product attributes include an RMR Type2 3.25 MOA red dot, calibration for .223/5.56, and fiber-optic & tritium illumination.
Why this product
This SKU provides multiple ACOG-class optics in one purchase (Pkg Qty: 3) and includes an RMR Type2 red-dot option and factory-calibrated ballistic reference for .223/5.56 — useful for buyers procuring matched optics calibrated for that cartridge family.
Key Verified Specifications
- Manufacturer / Brand: Trijicon (source: product-270276:f002, product-270276:f006)
- Part / SKU: TRTA31C100550 (source: product-270276:f014)
- Product category: Optic; Scopes; Scopes, Sights, & Optics (source: product-270276:f003, product-270276:f004, product-270276:f005)
- Package quantity: 3 (source: product-270276:f008, product-270276:f012)
- Verified features: RMR Type2 3.25 MOA red dot; calibrated for .223/5.56; illuminated with fiber optics & tritium (source: product-270276:f009, product-270276:f010, product-270276:f011)
Appropriate Use Cases
- Procure multiple ACOG 4×32 optics calibrated for .223/5.56 when equipping a small unit or replacing several sighting assemblies (source: product-270276:f008, product-270276:f010).
- Specify the RMR Type2 3.25 MOA red dot option where a small red-dot co-witness or backup is required alongside magnified optics (source: product-270276:f009).
What Customers Should Know
- Package ships as three units (Pkg Qty: 3); verify the number of optics required for your project before ordering (source: product-270276:f008, product-270276:f012).
- Listing provides calibration for .223/5.56 and RMR Type2 3.25 MOA red dot as attributes; confirm exact mounting interface, reticle details, and ballistic specifics against the system you intend to deploy before purchase (source: product-270276:f009, product-270276:f010, product-270276:f011).
- Use SKU TRTA31C100550 for ordering and inventory reference (source: product-270276:f014).
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

