No Image Lot 433 A Glock Gap 8mm Top Vented Blank Firing Pistol. Over 18 only. UK sales only. Blank guns should 433A Glock Gap 8mm Top Vented Blank Firing Pistol. Over 18 only. UK sales only. Blank guns should Cadmore Auctions Ltd A Glock Gap 8mm Top Vented Blank Firing Pistol. Over 18 only. UK sales only. Blank guns should only be used for theatrical, film, historical, spor... Add to watchlist Live