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.
Why shooters choose the ProTac Rail Mount 1
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High output — 350 lumens, 12,000 candela and 219 metres on a CR123A for 1.75 hours
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AA output — 150 lumens, 4,950 candela and 141 metres on a AA alkaline for 1.5 hours
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Low output — 40 lumens for 14.5 hours on CR123A or 8 hours on AA alkaline
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Switching — remote pressure switch and push-button tail cap, both included
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Programming — TEN-TAP reordering — high with strobe, high alone, or low before high
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Attachment — MIL-STD-1913 Picatinny, with an M-LOK adapter supplied
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Build — 6000-series anodised aircraft aluminium, IPX7 with the push-button, IPX4 with the remote
What the ProTac Rail Mount 1 fits
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.
Specifications
| 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
