I have always liked the L1A1 SLR's, They are a serious gun.....
The attached is the 'issue' scope for the SLR, the Trilux. 4 Power, a solid Inverted V pointer is different to use, but really effective......
The Mag is a 30 round L4A1 Bren Mag..... [rather than L2A1 SLR mag]