Dummy rounds / Snap caps of classic calibers
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updated December 12, 2025

Description

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Replica dummy rounds of many rifle calibers. Can be used as snap caps with built-in dent allowing room for the firing pin.

All dimensions match SAAMI or CIP specs. Your printer tolerances may be different. 

Two versions, first with AMS/Tool change, second without AMS/Tool change

 

Current calibers available:

17 Hornet
17 Remington Fireball
17 Remington
22 Hornet
22-250 Remington
204 Ruger
222 Remington
223 Remington
243 Winchester
257 Roberts
260 Remington
270 Winchester
270 Win Short Mag
284 Winchester
30-06 Springfield
30-30 Winchester
300 AAC Blackout
300 Rem SAUM
300 Rem Ultra Mag
300 Win Mag
300 Win Short Mag
303 British
308 Marlin Express
308 Winchester
338 ARC
370 Sako Magnum
375 Rem Ultra Mag
444 Marlin
45-70 Government
450 Bushmaster
458 SoCom
470 Nitro Express
500 Nitro Express 3"
50 BMG
4 Bore Rifle 

5.7 x 28 FN
6.5 x 51R Japan Arisaka
7.62 x 39
7.62 x 54R Russian
7mm Mauser
7mm Rem Ultra Mag
7mm Win Short Mag
7mm-08 Remington
8.6 Blackout
8mm Mauser
9.3 x 62

 

.16mm Layer Height, 3 walls, 50% infill.  Concentric pattern for best finish. 

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The author marked this model as their own original creation.

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