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The Harris No. 4 adapter solves a simple problem: how do you run a bipod when your firearm doesn't have a sling swivel stud up front? Instead of mounting to the stock or forend, this one clamps directly onto the barrel itself, giving you a spot to attach any Harris bipod. It's machined from steel with a black finish, weighs in around 3 ounces, and is built in the USA like the rest of the Harris lineup.
Harris designed this piece with single shot pistols in mind, and that's where it really shines. Think Thompson/Center Contenders, Encores, and similar handguns where a barrel clamp is the natural mounting point. It needs at least 6 inches of barrel to work with and roughly 2 inches of uncluttered space to grab onto. The clamp handles barrel diameters from .550 inch all the way up to .812 inch, so it covers a wide spread of contours. The hinged mounting bracket is a nice touch, letting the bipod legs fold backward and stay out of your way when you're not shooting off it.
Plenty of folks reach for this adapter to put a bipod on a barrel that has no other option, and it can absolutely do that. It's worth knowing that clamping weight onto the barrel can shift your point of impact compared to a stock-mounted setup, since the barrel flexes differently when it's loaded. If you go this route, snug the clamp down tight and a dab of blue thread locker on the screws goes a long way toward keeping everything put through repeated recoil.
Keep in mind this is the adapter only, so you'll want a Harris bipod to go with it. It plays nicely with the popular Harris folding models, and once it's clamped in place you get the same rock solid, quality feel Harris is known for. For anyone with a single shot pistol or a barrel that's short on mounting hardware, the No. 4 is a proven, no nonsense way to get steady.
No, this is the adapter only. It's the barrel clamp that gives you a mounting point, so you'll need to pair it with a Harris bipod separately. It works well with the popular Harris folding models.
It clamps onto barrels ranging from .550 inch up to .812 inch in diameter. You'll also want at least 6 inches of barrel length and about 2 inches of clear, uncluttered space for the clamp to grab. Measure your barrel before ordering to make sure you're in range.
You can, and people do it when there's no other mounting option available. Just know that mounting a bipod directly to the barrel can affect accuracy, since the barrel flexes under the added weight. Harris designed this one mainly for single shot pistols, so that's where it performs best.
Clamp it down good and tight when you install it. A drop of blue thread locker on the screws helps everything stay put through repeated recoil, which is especially handy on harder-kicking loads.
| UPC | 051156002240 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 4 |
| Color | Black |
| Model Fit | Universal |
| Mount | Steel |
| Product Type | Bipod Adapter |
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