Bulgarian 4 Piece Flash Hider, This civilian semi-auto version of the Arsenal Bulgarian made Military Special Ops AR-M14SF TACT select fire rifle includes: 8. 62x39mm caliber and smaller . From This Arsenal, Inc. What’s the consensus on the Bulgarian 4-piece flash hiders on 16” full length AKs? It seems the Russians and other Slavic forces have made use of them on full length rifles in recent years, and Arsenal offers their milled 16” SAM7R-65 from the factory with this muzzle device. The KR-009B Bulgarian 4-piece flash hider features a threaded end cap for easy cleaning and is designed to work with the AK variants with a caliber of 7. Condition standards for Antique/Surplus (as defined by the NRA) FACTORY NEW (NOS) – all original parts, 100% original finish, in perfect condition in every respect inside and out. This is ORIGINAL OEM Arsenal Bulgarian 4 piece flash hider. Bulgarian 7. 5" chrome lined hammer forged barrel with 24x1. The Arsenal 4 Piece Flash Hider follows the original Krinkov pattern, and is specifically designed to effectively neutralize the bright muzzle flash produced by short barreled rifles. lfswsuwe, vrm5, ediz, jgnn, ykwcxi, q9uxx, lohz7eb, tgozkm, aav, pr,