644421370900

• 6 — Number system
• 44421 — Manufacturer code
• 37090 — Product code
• 0 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

• 609595139135 — Ap-Mfg. Steel Tanker Muzzle Brake (.308/7.62) 5/8X24 Tpi +Jam Nut
• 609595138992 — .308/7.62 Rapidforce Muzzle Brake 5/8X24 Tpi +Jam Nut Apm Made In U.S.A
• 609595138879 — 3 Stainless Steel Safety Pins & Steel Spring.223/5.56 Ap-Mfg.
• 609595138954 — Stainless Steel Pins Repair Kit Set With Pivot Tool Ap-Mfg Made In U.S.A
• 609595139166 — Ap-Mfg. Tanker Muzzle Brake (.223/5.56) 1/2X28 Tpi +Jam Nut Made In U.S.A
• 784427706539 — Stainless Steel Detent Repair Kit Set Apm Made In U.S.A By Ap-Mfg.

.223/5.56 Steel Shark, Fishbone Muzzle Brake 1/2X28 Thread+Jam Nut Apm Made In U.S.A

Search for .223/5.56 Steel Shark, Fishbone Muzzle Brake 1/2X28 Thread+Jam Nut Apm Made In U.S.A on Amazon (or for the code 644421370900)