Streamlight ProTac Rail Mount 1 Weapon Light 350 Lumens
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Not sure it fits your rifle? Ask us before you order
The Streamlight ProTac Rail Mount 1 is a dual-fuel long-gun weapon light that will run either a CR123A lithium cell or a standard AA, part number 88058.
One of each cell comes in the box, so the light works on lithium when you want the output and on a AA bought anywhere when you do not.
The body is 6000-series machined aircraft aluminium with an anodised finish, 4.25 in (10.8 cm) long and 4.3 oz with a CR123A or 4.5 oz with an alkaline. Sealing is IPX7 with the push-button tail cap fitted and IPX4 with the remote in place.
On a CR123A it makes 350 lumens and 12,000 candela for a 219 metre beam, running 1.75 hours; on a AA alkaline that becomes 150 lumens and 4,950 candela for 141 metres over 1.5 hours. The 40 lumen low runs 14.5 hours on lithium or 8 hours on alkaline, and strobe runs 3 hours or 2.75 hours respectively. TEN-TAP programming lets you reorder the modes: high with strobe, high on its own, or low before high. Both a remote pressure switch and a push-button tail cap are supplied, so it can be set up either way without buying anything else.
It clamps to a MIL-STD-1913 Picatinny rail as supplied, and to an M-LOK handguard through the adapter in the box, which covers most modern rifle and shotgun forends. For more output on two cells see the ProTac Rail Mount 2, and for far longer throw the ProTac Rail Mount HL-X. Our M-LOK versus Picatinny guide covers the mounting choice.
| High output | 350 lm / 12,000 cd / 219 m, 1.75 h (CR123A); 150 lm / 4,950 cd / 141 m, 1.5 h (AA alkaline) |
|---|---|
| Low output | 40 lm / 1,380 cd — 14.5 h (CR123A), 8 h (AA alkaline) |
| Strobe runtime | 3 h (CR123A) / 2.75 h (AA alkaline) |
| Battery | One CR123A lithium or one AA — one of each included |
| Switching | Remote pressure switch and push-button tail cap, both supplied |
| Programming | TEN-TAP programmable mode order |
| Attachment | MIL-STD-1913 Picatinny; M-LOK adapter supplied |
| Length / weight | 4.25 in (10.8 cm) / 4.3 oz with CR123A, 4.5 oz with alkaline |
| Material | 6000-series machined aircraft aluminium, anodised |
| Sealing | IPX7 with push-button fitted; IPX4 with remote fitted |
| MPN | 88058 |
The sensible entry to Streamlight’s rail-mounted range, and the only one here that will take a AA. Order the ProTac Rail Mount 1 today — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.
Explore more: Weapon Lights, ProTac Rail Mount 2 or browse all Streamlight
| Brand | Streamlight |
|---|---|
| Part no. | 88058 |
| Category | Weapon Light |
| Shipping weight | 0.2 kg |
| Barcode | 080926880580 |
£5 tracked UK delivery on every order via Royal Mail Tracked 24. Our products are ordered in from the manufacturer rather than held in UK stock, so please allow 7 to 10 business days (Monday to Friday, excluding bank holidays) from the date of your order for it to reach you. Tracking details are emailed on dispatch. UK delivery only.
You have 30 days from receiving your order to cancel it for any reason, then 14 days to send it back unused and in its original packaging. Faulty, damaged or incorrect items are replaced or refunded and we cover reasonable return postage. Refunds go back to your original payment method within 14 days of receiving the return.
7 to 10 business days from the date of your order. Every order is sent Royal Mail Tracked for a flat £5 and you receive tracking details by email when it is dispatched.
Yes. We list only genuine parts and optics from the brands shown, ordered in from the manufacturer for your order.
Compatibility notes on this page come from the manufacturer. If you are unsure, email us with your make and model before ordering and we will check rather than guess.
Yes. Bundle & Save applies automatically in your basket: 5% off when you buy 2 items, 10% off at 3 items and 15% off at 4 or more. It works across the whole range, so you can mix and match, and there is no code to enter.
Yes — you have 30 days from delivery to cancel for any reason, as long as the item is unused and in its original packaging. See our returns policy for the details.
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