4.25 Inch Barrel caliber of your choice.
Expand the range of ammo you can shoot with this great 4.25″ barrel.
**Please Read “Barrel Limitations” Below**
ALL Barrels Fit ALL Models of Bond Arms Derringers! 100% Interchangeable!
(Except California Approved Guns – They have special CA only barrels)
Note: The following calibers do not have round extractors (image above may not reflect this): .40SW, 9mm, 10mm, .45ACP, .380ACP, .45GAP