These probably don't qualify, and it's a bit self-serving, but they are used in my fiction stories, and I think they're kinda cool. Just wish I could afford to have them built.
Custom Main Battle Rifle (7.62x51 MBR): adjustable gas piston select fire action with non-reciprocating ambidextrous charging handle, auto hold open on empty magazine. Ambidextrous bolt release. Ambidextrous safety. Forward assist. M-14 stripper clip guide and M-14 sights. 22” barrel with the tri-compensator of the BM-59/62 with bayonet lug to take a custom 12” OKC-3S style bayonet. A full length barrel-in-line polymer stock with pistol grip and integrated picatinny rails that don’t interfere with the stripper clip feed. Accept a bipod. Use M-14 free fall magazines with bolt hold open followers, and have an ambidextrous magazine release.
Custom ‘Scout’ Rifle: .350 Remington Magnum. Lever action operating a rotary bolt. Integral suppressed barrel. Single round & stripper clip loading. 10-round rotary magazine. Leupold Model 4 CQ/T 1-3 x 14 scope on receiver mounted QD see-through
mount. Peep sight. In stock recoil reducers. Sling. Five .380 ACP to .350 Remington Magnum chamber adapters for small game hunting. Custom 12” OKC-3S style bayonet.
Sidearm: .50GI. Custom built on Para-Ordnance P-14 frames.
Backup side arm: As above on P-10 Warthog frame.
A pair of Armsport 2900 Trilling three-barrel 12-gauge shotguns cut down to whippets. Sets of 20-ga, .45 Colt, .44 Magnum, .357 Magnum, 9mmP, & .22RF adapters.
Custom hunting gun: Peter Hofer funfling. 12-ga x 12-ga w/.375 H&H Mag over .30-’06 over .22 Hornet. Carved fancy wood stock, engraved and inlaid metalwork. 20-ga chamber adapters for the 12-ga barrels. Swarovski Z6 2.5-15x56 scope on see through mounts. Peep sights. Custom carved leather sling w/flush QD swivels.
Custom Main Battle Rifle (7.62x51 MBR): adjustable gas piston select fire action with non-reciprocating ambidextrous charging handle, auto hold open on empty magazine. Ambidextrous bolt release. Ambidextrous safety. Forward assist. M-14 stripper clip guide and M-14 sights. 22” barrel with the tri-compensator of the BM-59/62 with bayonet lug to take a custom 12” OKC-3S style bayonet. A full length barrel-in-line polymer stock with pistol grip and integrated picatinny rails that don’t interfere with the stripper clip feed. Accept a bipod. Use M-14 free fall magazines with bolt hold open followers, and have an ambidextrous magazine release.
Custom ‘Scout’ Rifle: .350 Remington Magnum. Lever action operating a rotary bolt. Integral suppressed barrel. Single round & stripper clip loading. 10-round rotary magazine. Leupold Model 4 CQ/T 1-3 x 14 scope on receiver mounted QD see-through
mount. Peep sight. In stock recoil reducers. Sling. Five .380 ACP to .350 Remington Magnum chamber adapters for small game hunting. Custom 12” OKC-3S style bayonet.
Sidearm: .50GI. Custom built on Para-Ordnance P-14 frames.
Backup side arm: As above on P-10 Warthog frame.
A pair of Armsport 2900 Trilling three-barrel 12-gauge shotguns cut down to whippets. Sets of 20-ga, .45 Colt, .44 Magnum, .357 Magnum, 9mmP, & .22RF adapters.
Custom hunting gun: Peter Hofer funfling. 12-ga x 12-ga w/.375 H&H Mag over .30-’06 over .22 Hornet. Carved fancy wood stock, engraved and inlaid metalwork. 20-ga chamber adapters for the 12-ga barrels. Swarovski Z6 2.5-15x56 scope on see through mounts. Peep sights. Custom carved leather sling w/flush QD swivels.