There are 2 snipers, each with only 4 shots, located on the top of either base. plenty of BR's, 2 carbines in front of the bases. a custom powerup in the center of the map.
Instead of Screenshots i made a video using Dazzle.
EDIT: This is still the v1 map in the video. Version 2 isn't too different so i just put pictures of the v3 changes. You should still be able to get a good feel of the map.
In v3:
fixed spawns
fixed errors with double block
fixed parts where you could jump to undesired (by creator ) spots
Fixed up v2
I STILL HAVE TROUBLE WITH SPAWNS!!! i think i got it this time but please, if you know how/where to place spawn points good for MLG (problems are: other team spawning close to their enemy's base and stuff like that) please tell me. I HAVE READ THE THREAD ON SPAWN POINTS HERE ALREADY! it wasn't helpfull because that told me why you will spawn where you do. i just need to know where to place them down. Thanks

YouTube - MLG Hallway Forgehub Guide

This is a really symmetrical map so the callouts are basically what they are and wherever you spawn becomse "Our____" and the other side is "Their ____" Except of course for Custom, which is in the middle. As shown here ↓
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The v3 has these changes ↓

open custom, makes for easier access and less 'nade spamming NOW CHANGED: four obelisks instead of tiny blocks (tiny blocks were movable, i didn't know that)
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sniper blocks, limits the visibility of the sniper, sniper is less overpowered
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Thanks for viewing guys and keep the comments flowing, I take into consideration every suggestion and if I feel its nessascary I will update the map for it. As ive done here a couple times, hence: v3.
Link to map → MLG Hallway v3