I have a Woodward factory chambered in .303 British here:

Full length shot Purdey records state that it was made in 1897 weighs 9 lbs, 5 oz.

Proofed for 216 grain bullets over 38 grains of rifleite:

side plate:

Bolted safety:

The DGJ of Summer '93 has an article written by Doug Tate Covering "The Automatic" by Woodward.

Here is a photo of three examples, l-r a .303, a 400 BPE and a 450 BPE:

Please read the caption, the author states that the receiver of the .303 is as wide as the 450 BPE.