Trijicon TRTA31RCOA4CP ACOG 4×32 USMC RCO for A4 (pack of 2)
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Trijicon TRTA31RCOA4CP — ACOG 4×32 USMC RCO configured for A4 (20″ barrel), compatible with flattop and carry-handle mounts and equipped with an anti-reflection device; sold as a package quantity of 2 and listed in-stock.
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Description
Description
Product Overview
Trijicon TRTA31RCOA4CP is an ACOG 4×32 optic listed in the record as a USMC RCO configured for the A4 (20″ barrel). The SKU indicates compatibility with flattop and carry-handle mounts and includes an anti-reflection device. Package quantity is 2.
Why This Product
The listing identifies a military-style RCO configuration tied to the A4, mounting flexibility for flattop or carry-handle arrangements, and an Anti-Reflection Device attribute—facts relevant when specifying optics for A4-style rifles or mixed mounting environments.
Key Verified Specifications
- Brand: Trijicon (source: product-274512:f002, product-274512:f006, product-274512:f007)
- Model / SKU: TRTA31RCOA4CP (source: product-274512:f001, product-274512:f014)
- Category: Optic / Scopes (source: product-274512:f003, product-274512:f004, product-274512:f005)
- Configuration: USMC RCO for A4 (20″ Barrel) (source: product-274512:f011)
- Mounting notes: Flattop/Carry Handle Mounts (source: product-274512:f009)
- Additional feature: Anti-Reflection Device (source: product-274512:f010)
- Package quantity: 2 (source: product-274512:f008, product-274512:f012)
- Availability: instock (source: product-274512:f015)
Appropriate Use Cases
- Procurement of A4-configured optics for fleets of rifles where the USMC RCO configuration is required (source: product-274512:f011).
- Orders that require optics compatible with either flattop rails or carry-handle mounting arrangements (source: product-274512:f009).
- Purchases where an Anti-Reflection Device is specified to reduce reflections from the optical housing (source: product-274512:f010).
What Customers Should Know
- Package quantity is 2 — confirm whether you need single units or the 2-pack for procurement (source: product-274512:f008, product-274512:f012).
- The record states mounting compatibility with flattop and carry-handle mounts and lists a USMC RCO configuration for the A4 (20″ barrel) — verify your rifle’s mounting arrangement and intended installation details before ordering (source: product-274512:f009, product-274512:f011).
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

