Surefire MODs

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe
I am creating this thread for future Surefire MODs.

Surefire XPH50

Surefire L1

Another XPH50 U2 mod

Surefire KL4 Nichia 219 head

Surefire L2 XPH50

L2 2 stage to McClicky conversion

Nichia 219c L2 conversion

Surefire L1 and LX2 emitter swap


Surefire Kroma


Surefire Kroma Mcr20s Reflector

Surefire M1 Nichia 219BT-V1

G3Z mod on G3 Nitrolon

Surefire AZ2 mod

Surefire KL5 XP-L Hi 3oook module

E Series adapters for Surefire U2 and Surefire Fury

E1B Samsung 351D 5oook Mod

Surefire U2 4oook Osram square

Some add ons. SF glow buttons in Sky blue, v10 green, and a yellow.
Sky Blue
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v10 Green
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OEsInag4k-RzcrBTxD5MTYIxIPJYotJKDffyxSv9sX_4tY9bNJ1Vqz5feRnEjhwhPBCys2ZQoR83p5GV8FtByUSPBgFJybVswGaKnUMHxBMJERwR7G69kG_BdUXf_aNnIB_lPwbewarlKrOD7OioZmSwFZK3RjHgTuTvosveATle4zqBJCwtDGR9cDKwEiP2wlKcv-djLOdJ1ByO3bXskJrV7UEPxRr1eT4DdW4KssvJKKuayl3tJQ4vVY-gybrYVMNTVLhTCpEH7eeb1lSUsMpWFWGxdFUYSIuIwRj_IDVOBWPbkuncF-9WynXCWI9DksTNXfOn52n42QcHwurrpuDPdOGfpWMdu5SiDDm43b4haRxZKk77HS7GVE_snBmbkAvAF_evQo3_OBfCHKYP23nFLOByq6jaPj2kyUxIC4Tw9VpoxxNv6KlJDB4vgommjIJ8EIchHs-drLMLFcKfV5cgxSU1jAntPnEht_6KV1lULXB_F0YudQ23sQxuDokUIsACJszHP5968JzRcb2UJ4T52_qKuTOLH7Vad_5LgueSL4pYGn-x-VXsIdVHbf9QyvHUJZk8-VN0L5BCuhxpQoNNace_fhuwdd3rmiThVk8TEs5m0S5clIrSnqtbzfMA3BSZpeOYr5VgO-GboQfxUR_4GFPtWGi0=w666-h888-no


Yellow
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Last edited:

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe
Surefire U2 XPH50

So I have been pondering this for a while and decided it was time to tear down my 6v U2 with easywhite xm-l and mod it with the XPH50. Let me just say that without sanding the dome the beam is very, very nice!

I will be modifying another one soon and will post more pictures then.

This was one of the first XPH50 LEDs that I purchased and I do not remember the tint or output but this one is very, very warm. The downside is that my Wife used the light and has now confiscated it and claimed it as hers. Doh!

Here are the pictures.

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Quick beamshot on high with exposure turned down. Excellent beam, it is much better than the easywhite which had a much more pronounced black hole no matter how well I focused it.
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Last edited:

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe
WIP: Surefire L1

This is still a work in prgress. But here are some photos.

Machining the pill for the 16mm noctigon U4 XM-L2.
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Body bored to accept 17650, or in this case 17670.
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More photos to come later. I blew a fuse on my lathe and had to order more, so it is down until the fuses come in. Arrrggghhh!

Due to a request for throw I have switched this to a reflector and a XP-E2 torch LED that will be fed 1.4 amps to the LED.
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Custom glow ring
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Last edited:

m4a1usr

Enlightened
Joined
May 4, 2013
Messages
884
Location
Washington State
Nice work buddy. Love your mod's. I just finished my first XHP50 U2 mod myself. Great minds think alike! Sorry. Couldn't resist. Way better spill than with the XML die. Did you cut down the ridges off the heat sink? Will allow for a copper 16mm MCPCB. Example below.

Light%20Mods%20008.jpg
 

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe
Glad to hear you continue your illumination work, and great to see you're using your lathe! You're breathing new life into classic SureFire flashlights.

Thanks Kitro! While they are difficult to open up, they are excellent to modify!
 

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe
Nice work buddy. Love your mod's. I just finished my first XHP50 U2 mod myself. Great minds think alike! Sorry. Couldn't resist. Way better spill than with the XML die. Did you cut down the ridges off the heat sink? Will allow for a copper 16mm MCPCB. Example below.

:twothumbs Thanks!
You know it!

I did cut down the ridges and machined the back of the reflector so that it could fit further into the reflector without shorting.

I can't wait to see how the J4 XPH50 looks in the U2 since I know what the output of that LED, and it is cooler.
 

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe
Just finished up another U2 XPH50.
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acLgSaeXx_7MMQA0amRmKHMQGor6L1zC3rYTVQWBtkBYFxsCI-l_kibjYl1LGMSbUDM_sGW3vtIY9PAwdVEkniEiSXAUsAUHrivUQozh5FCmmDhH-ov2O8fIwanwgPkDhVeQBZLfXxEHlY-61LTTV0lkCy9PGO2Var8myGUURPGjwtODsYOdwIrBiCfIQbkmrmnLLu7odHuGin2D5JrthqsJbh5GakcS7tqwPk3qjv6-_UZ_TYOcJc476yoGnjh9_cMyukM3dqgppjRXBrVXudVUqSbFtwuZjFjplf6j9KKGTXA_TVVoukfNNoiu2ANy82M2PZDeb8WSJV0YvoYPZ3x2FlY18-DTMWuSQib-g67h_hx3H3QdXjdzEWqiFj2nEo2hVWtE0HVNVwGZSSRkB_Qf4yhxf1gI-qpo-zA4jby_G6b289C5k92_UXtqnn3JUj7oIIG43_a-noOeaLW01nSvlsBOPFasIZ6azcT5TnxDPaOY012bUS_zE9Wr8PDt5nYqB0Ly6PHI4mSUTPwQ0npttS4RtsvGlMHW0xNEhBucCV03pzK0Vd8AAstTFr02Fk2r=w1378-h775-no


2nd level output
2VVMObEqiWk7pxXlU9PjD_dRmvao5Irj2BcqdH8CYVEk_AxbNZq4nYMWhdHr6rV66zIoZDGt30SLL7x7F-g1W9PYgggYIA_r0AlG5gS0xAc3azl8GiHVANcrEaZZER0XMGRRq-9nSKIwtpg86hvH9GmqwT3UYhFcNuUnnC3tqq1wfhDNFuRjUt-LqUE6LM-E_eVrEFYcd4U0fa0-B1HNnPCwvOO96x6mPHh7AzmaYMArLBIoRzuxS77Q1RJmeZttg1wzIXj57Myes25uC5TiKT7xuB7glvYe4r9mEHwPBz7i2VCE6NdteIJUwuaHlPEeu8IC08kEsVK6g6ydLB-rXHNCJ8lpcw1xSOefpC5M2dHROxq5ddxqee6Jx_MRbZDDzPPCb6nXUpuqPSPhNVfWIvsLQqk_09hW8YOBLaJWRr9yKDrbXVbIEXEGSdyTXXitCNRW0t23TtM1A-PbHC9Le80AnStl4Pf7B_KuqeeGBfx5Uc5Vj-eS3KczB0BJMGoN3UIJEB4TXwih720fP_pfni-FH9HV3TbfZ1HAvd6kxPMBYzqWjXgNf4iJRAZqzA8PzocM=w436-h775-no


Max level
ValDumXLICd13FMTHdMjBvrHOEy58AIHEx-sA5s6fG9wLLR_HZqpgYBUc7PnB2zNxXiJdwCYmf8w7v9dnknTrRIuWR-dPtph_C-WT80kH71UCuHGXXlmaoY9M-PYdRhSaBUeoMb4FaHh9LYISN0oUt4fpsKakxdWSyskuxT1IeVlQvvrSmvKTRFl9JJ9Rt09Uu9EKmNKqfMa79rkztryY8FwsKtRKKCmkige1_3Bdz-abqLIXGgQr5JK6iuD-jdlHrzS3Usq-QpvUIXNfge5IQyQR31TW-1txc-Yp-oUgnQw7YYCqEoCVpi9YwjoZJpoHFrx8NduZ37SkISCqmoH4j3eIOL_B0YPsjs-koOH0WyUudqSrOhxNGpNoVFBaN7Dq1X85-R_Tx5C9HfNnuUbDeNhhgTD1NWh8DfHbX0P3Vf4LCgEQiNpuw4Miq9GYOrhn_MT2YQrOiQcJCwc5ppTfc_Xi_wVMXlF8Rt56qX-OZICDZ6nyktio2ycZr5DGXmOj12Q959zVt7Jbnmjsv9KNNJnNcew4qTAM5I5Hs2VxZe_Am7itAWUjYBmMx4WvJL6z878=w436-h775-no


The U2 with the XPH50 has a decent hot spot and the transition to spill is very smooth. It is cranking out a lot of light. I wish I still had a DSL camera to take better beam shots.

Thanks for looking.
 

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe
This one is a work in progress.

Surefire KL4 big copper slug and triple Nichia 219 emitters. With the nice chunk of copper I think I will boost the high to 4.1 amps for short blast!

The head weighs 2.5 ounces, 70.8 grams for the others. :)

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-apXz8A6av3ajrE05OK_5U1dBpezW4WImGOlEDvDYoofTC0m9c35GtSKG3vn0IkBsZwVlOD5SnX5kRwwsZR3nWNL4bLH9dztCxMEgtJ7_Jhtd80njFRRAwSns3alLUmS6pzvFnJtQRbARyEFaGD-9DWqKyWaLfJz0UEv7M-CesoMVxfxvExB8CeUKcWFZ8-_JvmvqJGzFdAz3CIPpWdFSBfWcM5XGX93JeJVX9y9oWuVdK8oShVurGijykfSni9hjj0i0TKZ_jh9kfVsoEy55Dyl6dsZ0UIEifctx3fA-xFHWjZS-ScEDj9CTa87H_GAxKN4W5K1K_AudBKcbEgrw_6ORSmv9ZVSQvpG6dNa9mRTfvqugXFNttw_PWejm3v04HDuNFWjbAYZgcXs_r4aJoN_DyNOHJu6wAMc4dA8oTwmftI3rxLWakCfM_UcOj-h-Olu8AD7cYSWj5rjNaRQHta7FW6V0ebzfLeLw8DeMVtOMlNXw5jDUENBwcDSqWMkij_uZUSLvwMqzXk-H-FAkcJfbX_uSGzYxdSZtjqXSTbq69eA_zsgz9MazKMI8G_-tE9x=w1378-h775-no


6qDCfxcnddm1PPb6YZapeM9TJfvWGRPLlvWEIFgUY2bu-e7maKqaMm_5BJE0chxpSuJsB-zb_ugYXJUKz1gbg_w7e-45HJl7SK7_Ni-PpyJYgvaQOgaP8EznDX7dKzTHfnxipt0819STB6Bdxkyo57who5xdCjTSVp8trJf2U9U3ooMa_78KsmWdo_Ppviez3kwZi_1Rw1K6k257sCBhVEquQ8VpGNHiFsR_taXZkFAmbJpgi_ECL2BOdW4rlBGRRebtUCrYrjzGGhVExWGSbPd1QCQQd_HuBkPTutYZGDcaQEi9uq1MqMQL4QIXeglTOJJRVGL93MI66j9rW6S8K4Lq03j7e5D9IS_o-wNlhqckc-ZtkVwsEoMC8cLbym7cXv3EPAG7IjexsXLQMNBaXf9QpQI9Nki3lyURsFC8crUNrrJHdnvgzWtxVOTm-YCKNfkKezdn8Phwn8djU6ZW-KvTz5VoG7dLx9cmvVbXxcq9K1zcUYGMRh4tlG-GQZesR8wvkpHwgROTF8PK_Q487MBpafCydR9kT7wMb04vwAqRY_Uu1avqSVOdHANZLyh5T5oz=w1378-h775-no


2GzU1FioPNEca5O2LJcprZ098CNuvP7WihmykuxZgr7unR8JHeRvRsSUcIVQwCESX8gI8vf3TSKE1l-MIARdHcNQwN7mxaEDiyiZlszfBuZEZPkOixS1XWRqJ1aVm-2fdgLBBx4WOzTuxTa2hplJ-HGMHZ508JVvHR1Ll5wpAFtpoK6yhJF3QwE6yYt0DPIsbaFJ2YqbAT04EWneRyd3n-jFZWJch4FATisT3SrhiSyi1G1sqyQF67xg9e_WnfU_nTQ30NfnDGxNWxIPByCHVamBb26VQpQ-BCk_gcvJvgQsDhHez9wiIFY65_6jpeuEFFPgdf-QvrCLqRb18OqL0m2pRzAwE-UJN3EBIVF-Q69L9QHygch9iRVIJUkFpOimDRtSf2dIw5HGXWy8nWw5jTt-9wivibIuZgvy-ZSLRsmpDlyQ__-sw98quwTz7pUm9IklPvM_2Jm9ESFhx_7zrn6T7zKCxAV8t0-4AR8vXfUvPdCF53rk1ZBmpBBeJqTklTAYl242ZdL45EV3GZrI9heUpOPtxXQsDg4CA8JMcZ9L9Zl63_9wjn3AuALSZNkLOf9G=w436-h775-no
 

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe
L2 XPH50

I was not sure how this would turn out in such a shallow reflector, but I can say that the XPH50 in an L2 is awesome! Now I need to find one of these gems for my own.

Interesting note: I did not have any non rechargeable batteries to test the L2 and was not sure if they would smoke the circuit or not. A quick "Google" and many CPF'ers using IMR123s and I just had to see what this thing was like. All I can say is, WOW! With IMR batteries this sucker pulls 3 amps and put a huge smile on my face, and after a minute was a nice hand warmer. I'm not sure I would run this wide open like this unattended but it was insane!

Even at 1.3 amps Cree's product characterization tool says the J4 bin XPH50 puts out 1200 lumens at the emitter, and at 3 amps that goes up to a whopping 2375, again at the emitter. All that with a tint that, IMO is beautiful.

I have a few photos and did my best at two beamshots. The were underexposed -2 on low and high with regular cr123 batteries at two feet for the low, and twelve feet for the high to show that it has absolutely no donut hole. From inches from the ground to as far as I can see the XPH50 does not have a donut in any light I have modded unlike the Cree MC-E, or the Easywhite XM-L. This is one of my favorite LEDs.

O2VuvP3P38Mavk3f3KEm4zCblbx_cd9_GEPLKNlc3aomSQWYyp5EoqXpeKwLCD_XxZCW-AZ7QqUSgz1EjMHJinfvG0hJOTyFBZxCCWnkV2I30hfWHXSGRIxq0nstySaAxQbg6HdnMBUuS8ISqcJcqoUJdgd4Of1EK0y6HhCcMYuWSZ0wrkgdyCJtQ-viuQQYEIIXbZmTHU8lg8zGFt-tnm2CEGAHKRQPUbKWrFo9qu7elC7Puhk62ObaMLd4jIAl5hLRg0a1gkRPCMGja4HSTdfvg7P9wOsKEivDtln7pb6sA8SdMmL-oMoMq15c7NviVyCyHif0IcM1WnFP4_6Y0TYI_9IRE98ipf0SoIwpMSMM3f2BA1KcLUVAt2XXNLB9NfGluo_qz13tBjnymE9D8R3u0jSDM6GPYEmBwrfLn1Yj0ZTZcVeV6ez7J_gGon0Qw-dbx-bKLQ5E9vtc88nRYqdVKtCMBlruP4TYkHUBclAkP06hDHSzEj9DkmBBcmMroAcYzQWWq0NxlAMu1YzGemFBpAmwySsTSf5oLSs90xKQJJVxVQAdfjpR0-5KR2p7SbQw=w1620-h911-no


AjseyaWa2vdm1E7KIjEy9wrLv4Lf5h7YHA8safUScQbRrqV-WwTpk5jdP7B30m9o_jg3OxBBQfalfUziQ36DvQIYYONYIB3l4L2fsIkJXa437qk8J0YpMhMhxStM1JdgYr3RbiKhyd2XsA0r7aPIbqlK4VCeHv-0oUGiysjC-psvO1ltP9fP_tJq-bs7WI0jCuGwfFhYVaJrKgOlvqHJ2pgtw4codwlRCR7HR18vxcfLGcBdmZ1JfbgfmDI3g-jVhAVT12K4FB0MHI8Ry3g_7Csaf-I4aRFHKaSuk3f-m6uqVMm3asYt6Ix8b84QwxQj2Q7b2_w7dka5KriobiCavF_7S3aWkWizGJ7-vA2TdN_kYY78DatS4WNhV0cZtxApR4bUpOVetZ7S4_B8qYPMUlJhIcbqBSRVXvEwWf1bFYUhq0U-JrpDTiNTpvR75OdkMT_b9Iqq44QIEU1V5HBj8PV4YjmuqBPzPVMhjSJJhVUO1eLKb2B-zCMa2lrr-YX6OtYO6qBahgMNnxlXMthiNOoQe4_9WhH80shRFfgVzOJXwLnVGPc5uUmvF-psRO88K-Zp=w1620-h911-no


NsLCS2-Byc838k2HtkLmXSRr9u7bKmeB47kxjSBVkkcNX3mmZf3HixFyWixIXOrF8i_4jQKDtH8ydzAQKURWBzV5nClf_s6tVVR5BKafAC34oIeApHI5LoPsC21DiLI4y0aSbQI0QhoUwhF-LHwhG-mLZa2oHZJc6chJ00jKuFmqE3BCuTvuI9Z3bsfzc7wAJyeNqJHAKE_YD_AJierqG6q9eAiiSoNS3poMnYDzdzNSaLxaE1YAVi7JAV_njVFx-2uvhRL4n1MQ3aKS9s_jFDPIRpEMJPdEtsuPdFk3NVtsc9o2QuIub1uzU4IzZZtp4X2RKkKiqiFkIegZJMt2OuuVeM5NdbziSjWyehi3o07yWrZ6i1W1EiXFeJZu4Hvt5h9GREpRybaw42kbY_tfGYCY0iwIkvm68udAf-vMx6jN9JCOrAxdz-hi5kDnqAuffm0cJmEe9GcWgGqyFSS0sWCtpOyKZHy2Xg6TnMxqTo1NlBLnl17jJvU6icxAM7G40ZNx4v4vLnipHy1BHLBD4q2B8TiDhy6I47Yt6yndgbn_uBwaYewoWqQFZjxrPR5bHyre=w513-h911-no


p66ul5KOAtCsPaVjWKFlH4kqrBJhsiYi1a1cyhadTimgM7CByAY0XcvjQcSveX-YPZv_R5pWcqbxbjh4G46n_Eo39Gx51pcSglUD33azTM0B5Xu8qhXyEpOHXTNxLjR_TpgO9EfsPI7IU7HSzHm0iWRO8M_wF5QRAxSYxtO5OZGW609HiEkO0YHEkfs7uvA9UhPbOWGek4E_2j4I7xDRGIsULf2auXvIz5okJQSkf5dBGvI0rc_4xTDAfHHERUoJTdUBTlY_0xWIXx5PHi7bptri63iyMOdZPiAsPGuA-TlLDm-AmDVAbXGBI_ISDcfjgknGk3LVz0SQy2UL8M3391u_TF1CpJayJUgJ-7Mls_lDaHGCO0wutMe0psY-2GMzrCDYQHnci0uT3V3NiUbnWpXq7KyZt5sJJoFek02bH1jOJeQ8EYz-sVdLDLioL8v9L27FD4pDAehUU3CX92d9AhMgg6nvJ5JYMTRo-X_IGFIE8dsDntDcRFu4IyW8MQlhDaUB_9ADSwRMML0UhTpv73-_sIdZpsLfiZ77wgTUvQao2NfqtCiqtcSTNKstn6sigAbp=w513-h911-no
 

Minimoog

Enlightened
Joined
Jan 13, 2005
Messages
771
Just finished up another U2 XPH50.


The U2 with the XPH50 has a decent hot spot and the transition to spill is very smooth. It is cranking out a lot of light. I wish I still had a DSL camera to take better beam shots.

Thanks for looking.

Just had this arrive today and all I can say is anyone who has a U2 that they don't use because the output falls short of modern lights please do think about doing this to your U2. The levels are all present, low is still soft on the eyes and high is around 1000 lumens out the front I would guess. The tint is just right, not too warm or cold and the light runs great on an 18650.

Thank you for offering this service Nitroz - it is what makes CPF such a great community that we have people like you on board.
 

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe
Just had this arrive today and all I can say is anyone who has a U2 that they don't use because the output falls short of modern lights please do think about doing this to your U2. The levels are all present, low is still soft on the eyes and high is around 1000 lumens out the front I would guess. The tint is just right, not too warm or cold and the light runs great on an 18650.

Thank you for offering this service Nitroz - it is what makes CPF such a great community that we have people like you on board.

Thanks! I am glad that you can enjoy such a nice light that was under-powered on in its stock form.
 
Last edited:

Nitroz

Flashlight Enthusiast
Joined
Jul 29, 2004
Messages
3,258
Location
Monroe
Converted L2 switch to McClicky

This was a fun one to do and I was not sure how it would work out, but it works nicely. I'll let the pictures do the talking.

Made a copper shim to make contact with body and so the McClicky would not fall into body
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m4a1usr

Enlightened
Joined
May 4, 2013
Messages
884
Location
Washington State
Nice work! Great looking mod to a Z62. I think DrafterDan was looking at something like this last year? Maybe the year before? Man time flies! I bet a 16mm x 8mm silicone boot would be just about right to seal it up since the stock Z62 boot might be a tad bit long in your mod. And it might tail stand? Don't lose that Z62 boot. Most folks don't know that its also used on the SW02 and the Z48/49 tailcaps. And there is NOTHING available aftermarket if you ever need one.
 
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