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Midwest Industries® Combat Rifle Offset Flip-Up Sight Set – 45-Degree – Ambidextrous Black – MI-CRS-OSS
The Midwest Industries® Combat Rifle Offset Flip-Up Sight Set (MI-CRS-OSS) is a 2026-spec premium backup iron sight (BUIS) system engineered to deliver immediate close-quarters targeting redundancy on high-performance tactical carbines. When running large primary optics like high-magnification scopes or Low Powered Variable Optics (LPVOs), standard top-rail backup irons become unusable, blocked entirely by the optic's ocular bell and mount chassis. The MI Combat Rifle Offset Set (812102032304) completely circumvents this structural roadblock, angling the backup sight plane at a precise 45-degree offset so operators can seamlessly transition between long-range glass and close-quarters irons with a simple, split-second rotation of the wrist.
Precision-machined in the United States, these sights are constructed with a rugged hardcoated 6061 aluminum base paired with folding towers forged from phosphate-finished ordnance-grade steel. This specialized dual-material architecture guarantees the ultimate sweet spot between featherweight pack efficiency and extreme structural drop-proof durability. The system features an ultra-low profile design measuring a razor-thin 0.388 inches flat when folded down, sliding effortlessly underneath massive scope lenses without scratching your primary glass or cluttering your field of view. Driven by high-leverage dual locking detent springs, the assemblies click open into a rock-solid, repeatable vertical lockup that safely collapses under severe external impacts to prevent structural breakage. Unlike standard flip-up sights that force you to buy separate left- or right-handed models, Midwest Industries designed this system with a fully ambidextrous modular base. By simply reversing the base layout during installation, the set perfectly accommodates left- or right-hand dominant shooters. Complete with a standard A2 front post adjusting at 1.5 MOA per click and an intermediate rear aperture featuring micro-click adjustments, this 3.4-ounce tactical set is a bulletproof insurance policy for active-duty fields.
Includes: (1) MI Combat Rifle Offset Front Sight, (1) MI Combat Rifle Offset Rear Sight, (1) Precision Steel A2 Front Sight Adjustment Wrench Tool, and Heavy-Duty Torx Rail Mounting Hardware.
Key Features
- Tactical 45-Degree Offset Geometry: Allows instantaneous close-range point-of-aim acquisition without forcing the shooter to loosen, detach, or look through primary magnifying optics.
- Ordnance Steel & 6061 Aluminum Hybrid: Phosphate-finished steel towers shrug off intense muzzle heat and physical impacts, while the aluminum bases minimize top-rail bulk.
- Dual Locking Detent Springs: Heavy-duty internal spring detents provide crisp, snappy deployment and ensure the sights hold zero reliably across aggressive firing schedules.
- Fully Ambidextrous Reversible Footprint: Modular base mounting architecture configures effortlessly for left- or right-hand dominant configurations.
- Ultra-Slim 0.388" Folded Clearance: Super low-profile architecture folds completely flat to guarantee clearance under low-mounted LPVO or thermal optic ocular bells.
- Intermediate Rear Sight Aperture: Intentionally sized aperture strikes the perfect structural balance between long-range precision alignment and high-speed close-range target tracking.
Product Specifications
- Brand: Midwest Industries®
- Series: Combat Series BUIS Line
- Model Name: Combat Rifle Offset Sight Set
- SKU / MPN: MI-CRS-OSS (Alternative Model SKU: MI-CRS-OS)
- Mounting Interface: MIL-STD-1913 Picatinny Rail (Single-Slot Footprint per Sight)
- Sight Orientation: Left or Right-Hand Ambidextrous Mountable
- Angle Offset: 45 Degrees
- Folded Height Profile: 0.388 Inches (.388" Centerline Clear)
- Tower Core Material: Phosphate-Finished Ordnance-Grade Steel
- Base Mount Material: 6061 Aluminum (Type III Hardcoat Anodized)
- Front Adjustment: Elevation-Adjustable Standard A2 Post (1.5 MOA Per Click)
- Rear Adjustment: Windage Micro-Clicks (Rifle: 0.5 MOA / Carbine: 0.65 MOA Per Click)
- Country of Origin: Proudly Made in the USA
- Combined Weight: 3.40 oz (Front: 1.80 oz / Rear: 1.60 oz)
- UPC: 812102032304
