Make: Winchester

Model: 70

Serial Number: 383186

Year of Manufacture: 1956

Caliber: .375 Holland & Holland Magnum

Action Type: Bolt Action Rifle with Internal Hinged Floorplate Magazine

Barrel Length: 24”

Sights / Optics: The front sight is a hooded beaded blade dovetailed to a smooth ramped base banded to the front of the barrel. The rear sight is a 3-leaf v-notch sight dovetailed to a base fixed to the top of the barrel. The left-rear of the receiver is drilled, tapped and filled for a receiver sight (none present). The top of the receiver is mounted with a ZEISS DIAVARI-C 1.5-4.5x18 Rifle Scope with Duplex Crosshair Reticle. The sight picture is clear. The scope rates in Excellent condition. The scope comes with its Zeiss lens bikini style lens covers.

Stock Configuration & Condition: The stock is one piece checkered walnut with ebony tipped forend, capped pistol grip, fluted straight comb with shadowline cheek piece, and Decelerator buttpad. There is a sling platelet in the belly and a sling attachment point banded to the barrel. There is little to no handling wear. There are no chips or cracks. The LOP measures 13 7/8" from the front of the trigger to the back of the buttplate. Overall, the stock is in about Excellent condition.

Type of Finish: Blue

Finish Originality: Original to Canco Arms Custom Build

Bore Condition: The bore is bright and the rifling is sharp. There is no erosion in the bore. There is minor fouling. In this writer’s opinion the bore rates 9/10.

Overall Condition: This rifle retains about 99% of its metal finish. The balance of the finish is strong and complete throughout. There is light operational wear. The screw heads are sharp. The markings are clear. Overall, this rifle is in Excellent condition.

Mechanics: The action functions correctly. There is a safety mounted on the rear of the bolt. Pushed to the front, the safety is OFF. Rotated back all the way, it locks both the bolt and the trigger. If pulled back half-way, it blocks only the trigger. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance standards.

Box, Paperwork & Accessories: This rifle comes with its attached scope as mentioned above.

Our Assessment: This Custom Conco Arms Winchester Model 70 chambered in .375 H&H Magnum is a stunning blend of vintage excellence and bespoke craftsmanship. Built on a pre-’64 action from 1956—widely regarded as the pinnacle of Model 70 production—this rifle represents the ultimate in controlled-feed reliability, perfect for dangerous game applications. The custom build by Conco Arms includes a 24" barrel with banded front sight ramp and a 3-leaf express rear sight, evoking the classic styling and function of traditional safari rifles. The action is topped with a high-quality Zeiss Diavari-C 1.5–4.5x18 scope, offering an ideal magnification range for close-in, fast-paced hunting scenarios where stopping power and precision matter most.

The walnut stock features all the high-end trimmings you’d expect in a dangerous game rifle—ebony forend tip, capped pistol grip, Decelerator pad, and shadowline cheekpiece—all finely executed with clean checkering and no visible wear. With 99% of its metal finish intact and a bore that rates 9/10, this rifle is in excellent condition inside and out. The action cycles smoothly, the trigger is crisp, and the safety functions as designed. Whether you're a collector of fine custom rifles or preparing for your next safari, this rifle offers elegance, confidence, and performance in a classically styled package built on one of the most trusted bolt-action designs of the 20th century.