Something I could realistically buy if I made a concerted effort to save up:
A Steyr Mannlicher Elite 08 or SSG 69.
For some reason I have a real soft spot for Steyr.
If I stretch to the "couldn't really justify saving up that much", then something Desert Tactical Arms. I fell for that one ever since one of the members linked in a video where the bullet turbulence was visible....
Finally, in the realm of the totally absurd, then South Africa's utterly bonkers Denel NTW-20 as seen in District 9.... purely to know what it feels like to shoot it!!
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When the right to effective self-defence is denied, that right to self-defence which remains is essentially symbolic.
Freedom: Please enjoy responsibly.