Tuff choice but I'll go with these:
1. Lee Enfield No.4 Mk1 T
2. Mosin Nagant 91/30 PU sniper
3. Springfield M1Aicon
4. Bushmaster AR-15 6.8x43 SPC
5. Post '64 Winchester M70 .243 HB Varmint/Target w/10x Lyman STS