Received exactly what I needed with excellent customer service, response time and quality.
Rail is the exact size and is durable. Wouldn’t recommend anyone else.
Delivery time was quick.
Had no issues using these guys at all. Will be returning for more products.
![[Dr. Black] 5.1 Aluminum Fiber Rear Sight [PU]](http://www.sixmm.com/cdn/shop/files/2_9f1911e3-0d73-457a-bb63-c78f356087cc.jpg?v=1715136788&width=950)
![[Dr. Black] 5.1 Aluminum Fiber Rear Sight [PU]](http://www.sixmm.com/cdn/shop/files/1_6dcb69dd-861a-429d-bb37-f28dcd214917.jpg?v=1715136788&width=950)
![[Dr. Black] 5.1 Aluminum Fiber Rear Sight [PINK]](http://www.sixmm.com/cdn/shop/files/2_96580fdf-0ca3-4ae8-ba5e-0a66bd5b112e.jpg?v=1715136581&width=950)
![[Dr. Black] 5.1 Aluminum Fiber Rear Sight [PINK]](http://www.sixmm.com/cdn/shop/files/1_bda1dd75-18d4-49cd-979a-a531ca45f252.jpg?v=1715136581&width=950)
![[Dr. Black] 5.1 Aluminum Fiber Rear Sight [GY]](http://www.sixmm.com/cdn/shop/files/2_3569f89d-040d-40c5-b9c9-fdddbc2d17aa.jpg?v=1715136093&width=950)
![[Dr. Black] 5.1 Aluminum Fiber Rear Sight [GY]](http://www.sixmm.com/cdn/shop/files/1_a8241afa-1911-4359-b88e-255b0c54bd38.jpg?v=1715136093&width=950)
![[Dr. Black] 5.1 Aluminum Fiber Rear Sight [GN]](http://www.sixmm.com/cdn/shop/files/2_cdb78b7f-053e-4654-8bc6-e85dca781c00.jpg?v=1715135312&width=950)
![[Dr. Black] 5.1 Aluminum Fiber Rear Sight [GN]](http://www.sixmm.com/cdn/shop/files/1_1e88ba64-f48d-4cb0-86e5-307e583188de.jpg?v=1715135311&width=950)
![[Dr. Black] 5.1 Aluminum Fiber Rear Sight [BLK]](http://www.sixmm.com/cdn/shop/files/2_f074e57e-0b8f-49e1-9aff-874b83078787.jpg?v=1715133938&width=950)
![[Dr. Black] 5.1 Aluminum Fiber Rear Sight [BLK]](http://www.sixmm.com/cdn/shop/files/1_dedc6ae2-78bc-47c0-926f-dd45e586b742.jpg?v=1715133938&width=950)
![[Golden Eagle] Original Rear Sight [For Hi-Capa GBB Series]](http://www.sixmm.com/cdn/shop/files/1_7dc7c679-7a5f-41f1-909b-e62b05675b83.jpg?v=1712723193&width=950)
![[CowCow Technology] Rear Sight Screw and Spring Set [For Marui Hi-Capa Series]](http://www.sixmm.com/cdn/shop/files/1_e40d3362-dfeb-4b87-9350-5c822b6d6b70.jpg?v=1711359408&width=950)
![[PPS] Fiber Optic Front Sight [For PPS M870 Series]](http://www.sixmm.com/cdn/shop/files/1_65f1f5a0-dea8-4fce-b9bc-f4420c02fe43.jpg?v=1711346678&width=950)
![[MIC] FAB Style Flip-Up Back Up Sight](http://www.sixmm.com/cdn/shop/files/Untitled-2_c9d916d6-f776-45c3-8486-48fe769d603d.jpg?v=1708421640&width=950)
![[CYMA] Spikes Flip Up Sight Set [For 20mm Rail Series]](http://www.sixmm.com/cdn/shop/files/Untitled-2_25a27d1f-8c44-4693-a916-1d9b071f08eb.jpg?v=1708082651&width=950)
![[CYMA] Enhanced Polymer Back Up Sight [For 20mm Rail Series]](http://www.sixmm.com/cdn/shop/files/Untitled-2_343e5acf-c91e-4763-a743-0b77cdf0cce2.jpg?v=1708081918&width=950)
![[CYMA] Enhanced Polymer Back Up Front Sight [For 20mm Rail Series]](http://www.sixmm.com/cdn/shop/files/Untitled-2_81d1d172-72c3-482a-aca1-0e9586722b32.jpg?v=1708081489&width=950)
![[CYMA] Plastic SCAR Rear Sight [For 20mm Rail Series]](http://www.sixmm.com/cdn/shop/files/Untitled-2_3f09afc0-98a4-4488-9d2c-ff7107144d68.jpg?v=1708067535&width=950)
![[CYMA] Battle Rear Sight [For 20mm Rail Series]](http://www.sixmm.com/cdn/shop/files/Untitled-2_02641236-1b64-4daa-ac46-0c7eaf43987e.jpg?v=1708066279&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][SV]](http://www.sixmm.com/cdn/shop/files/SV_fc0800eb-aa40-4b4a-b8b1-cae998e270ab.jpg?v=1705291893&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][SV]](http://www.sixmm.com/cdn/shop/files/C_b438add3-4f36-4ec9-a639-45760933a479.jpg?v=1705291893&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][RED]](http://www.sixmm.com/cdn/shop/files/RED_8871a1d6-560a-465f-9558-b3df5aaa711d.jpg?v=1705291717&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][RED]](http://www.sixmm.com/cdn/shop/files/C_1de1e246-7e52-41fa-b1f8-9badf50a17d8.jpg?v=1705291716&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][PU]](http://www.sixmm.com/cdn/shop/files/PU_464132e4-8fac-4c35-8aec-d238ac313688.jpg?v=1705291560&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][PU]](http://www.sixmm.com/cdn/shop/files/C_b9915139-1888-4d0c-b1df-f1b6c05ced87.jpg?v=1705291561&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][PINK]](http://www.sixmm.com/cdn/shop/files/PINK_fa92c632-d35c-4bdf-960d-51b7b872d1ab.jpg?v=1705291367&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][PINK]](http://www.sixmm.com/cdn/shop/files/C_f201d4d8-fee0-4c2f-bc00-da50b84bfd75.jpg?v=1705291367&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][GREY]](http://www.sixmm.com/cdn/shop/files/GREY_073d7374-a628-4dc7-a9de-b0c2e9f9522b.jpg?v=1705291040&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][GREY]](http://www.sixmm.com/cdn/shop/files/C_c2a55a2c-907d-4ef8-b695-47b4365e73c2.jpg?v=1705291040&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][GRN]](http://www.sixmm.com/cdn/shop/files/GRN_d85fb740-b59f-41dc-91db-01704865e903.jpg?v=1705290654&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][GRN]](http://www.sixmm.com/cdn/shop/files/C_eb74e0e4-e45a-4319-be4c-fd06cf340789.jpg?v=1705290653&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][BLU]](http://www.sixmm.com/cdn/shop/files/BLU_533ca847-8653-46ae-ae7f-b5ffd7c70535.jpg?v=1705289941&width=950)
![[Dr. Black] Aluminum Fiber Optic Front Sight [For Tokyo Marui HI CAPA GBB Series][BLU]](http://www.sixmm.com/cdn/shop/files/C_88e9ec95-18e1-456a-9bc6-5d9ae78b013d.jpg?v=1705289941&width=950)
![[Army Force] Flip Up Rear Sight [For 20mm Rail Series]](http://www.sixmm.com/cdn/shop/files/1_19681dfd-9ebc-4255-8a57-3ae06e13ff7c.jpg?v=1702535220&width=950)
![[Army Force] Flip Up Rear Sight [For 20mm Rail Series]](http://www.sixmm.com/cdn/shop/files/Untitled-2_4cff423e-0143-46d6-a6ad-39f5b3106cf8.jpg?v=1702535219&width=950)
![[Dr. Black] 4.3 Aluminum Fiber Rear Sight [PU]](http://www.sixmm.com/cdn/shop/files/PU_ea35be1a-9e55-4258-afef-12edecfb478e.jpg?v=1701753361&width=950)
![[Dr. Black] 4.3 Aluminum Fiber Rear Sight [RED]](http://www.sixmm.com/cdn/shop/files/RED_f228e737-8f18-4b2b-93c6-68bb5f9d0410.jpg?v=1701753194&width=950)