U.S. Optics M40A1 Legacy Mount – Product Description
Note: Discontinued. CS Tactical has a very limited quantity available.
Overview
The U.S. Optics M40A1 Legacy Mount is a faithful reproduction of the iconic optic base used on the original USMC M40A1 sniper rifle. Designed for precision shooters, clone builders, and collectors who demand historical accuracy, this mount delivers the rugged reliability and exact geometry required to complete a true M40A1‑spec build.
Whether you're restoring an original rifle or assembling a period‑correct clone, this mount provides the authentic footprint, machining profile, and mounting interface trusted by Marine Corps armorers for decades.
Key Features
- True M40A1 Footprint
Machined to match the original USMC M40A1 receiver cut. This is not a standard Remington 700 mount — it is purpose‑built for rifles cut to the M40A1 base pattern. - Precision‑Machined Construction
Built from high‑quality materials to ensure rigidity, repeatability, and long‑term durability under recoil. - Redfield‑Style Mounting Interface
Compatible with the classic Redfield/USMC mounting system used on the original sniper platforms. - Clone‑Correct Geometry
Ideal for collectors and enthusiasts seeking historical accuracy in their M40A1 builds. - Includes Mounting Hardware
Comes complete with the required screws and hardware for installation.
Compatibility
- Fits:
- Receivers cut specifically for the M40A1 base pattern
- Does NOT fit:
- Standard, unmodified Remington 700 receivers
- Any receiver not machined to M40A1 specifications
If you’re unsure whether your rifle is cut for an M40A1 mount, contact us — we can help verify compatibility.
Specifications
- Platform: Remington 700 (M40A1‑cut receivers only)
- Material: Precision‑machined, high‑strength alloy
- Design: Legacy USMC M40A1 pattern
- Finish: Durable, corrosion‑resistant coating
- Mounting Style: Redfield‑pattern base
- Included: Mount + hardware
Why Choose This Mount
- Perfect for M40A1 clone builders
- Historically accurate design
- Built to withstand real‑world use
- Hard‑to‑find component for collectors
- Trusted by precision shooters and USMC rifle enthusiasts
If you're building an M40A1, this mount is not optional — it’s the foundation of an authentic rifle.
Add to Your Build
Complete your M40A1 project with the correct optic rings, Redfield‑style hardware, and period‑accurate accessories. We offer compatible components to help you finish your build with confidence.
