The gates of hell

This is my first try at 40k fiction.Hope you like it...
"right lads,listen up.Our company is pushing through to take these 3 hills.Hill Alpha 7,Gamma 1-4 and Oscar 2-8.As soon as these hills have been secured,we can get basilisks from the 47th Kalashnikov to cover our advance.There is a town on each hill,so checks your clips,and stay sharp.And for those of you who weren't listening,Shoot anything that isn't us.Ready up."

As the company pushed into the first town,they saw why the pioneers that had been sent in hadn't come back.Bodies hung from trees.impaled with pitch forks.The mud and snow was mixed with the blood of guardsmen,and the smell of corpses was everywhere.As the troops dismounted,the new lads were sick to the stomach.One,who looked about 12,was executed by his sarge for retreating.Suddenly,a las shot rang out from a building,hitting the pintle gunner on the lead chimera."Open fire"was the order.The men obliged.One squad cleared the house,while the rest covered them.The figure they dragged out was a guardsmen.But not one they recognised.He was covered in blood,his right arm was dropping off,He was missing an eye,and he stank of corpses.He said he was one of the engineers that had been sent in,but had survived and hid."The heretics are that way.Kill 'em all!"

"URA!URA!URA!"was the cry from the guard as they stormed the village,loosing off precise las rounds in all directions.Heretics fell in all directions,while others suicided.Maintaining momentum,the next few hills were captured with ease.Several miles forward of the company,who was a part of 30th corps,The jump grenadiers of the 74th Kalashnikovan,seized 3 bridges,dug in,and were ordered to hold until relieved.Snipers were deployed on the bridge,as well as autocannons,and scout sentinels.The battle was imminent...