Auto Rifles & Carbines - Heckler & Koch

Caliber	Length	Width	Height	Barrel Length	Sight Radius
5.56 mm x 45	708.9 - 804.9 mm27.91 - 31.69 in	78 mm3.07 in	240 mm9.45 in	279.4 mm11 in	368.3 mm14.5 in
5.56 mm x 45	803.9 - 901.7 mm31.65 – 35.5 in	78 mm3.07 in	240 mm9.45 in	368.3 mm14.5 in	368.3 mm14.5 in

Caliber	Length	Width	Height	Barrel Length	Sight Radius
5.56 mm x 45	701 mm27.60 in	78 mm3.07 in	240 mm9.45 in	264 mm10.39 in	371 mm14.61 in
5.56 mm x 45	804 mm31.65 in	78 mm3.07 in	240 mm9.45 in	368 mm14.49 in	371 mm14.61 in
5.56 mm x 45	855 mm33.66 in	78 mm3.07 in	9.45 mm9.45 in	419 mm16.50 in	371 mm14.61 in

Caliber	Length	Width	Height	Barrel Length	Sight Radius
5.56 mm x 45	502 mm19.76 in	65 mm2.56 in.	277 mm10.91 in.	228 mm8.98 in.	variesvaries
5.56 mm x 45	617 mm24.29 in	65 mm2.56 in	277 mm10.91 in	400 mm15.75 in	variesvaries

Caliber	Length	Width	Height	Barrel Length	Sight Radius
7.62mm x 51	904 mm35.6 in	78 mm3.07 in	213 mm8.39 in	330 mm13 in	360 mm14.17 in
7.62mm x 51	994 mm39.13 in	78 mm3.07 in	213 mm8.39 in	406 mm16.5 in	410 mm16.4 in
7.62mm x 51	1002 - 1082 mm39.44 - 42.60 in	78 mm3.07 in	213 mm8.39 in	508 mm20 in	410 mm16.4 in