Product Description
ITEM HAS BEEN DISCONTINUED - PLEASE CONTACT US FOR A SUITABLE REPLACEMENT ITEM.
SUREFIRE SF-OBC-556 - SUREFIRE'S NEXT-GENERATION BOLT CARRIER GROUP, OPTIMIZED FOR 5.56 MM/.223 CALIBER RIFLES AND CARBINES LONG-STROKE DESIGN INCREASES RELIABILITY WHEN FIRING SUPPRESSED OR UNSUPPRESSED INCLUDES OPTIMIZED BOLT CARRIER, BUFFER SPRING AND LONG-STROKE, H- - INVENTED BY JIM SULLIVAN, ONE OF THE ORIGINAL DESIGNERS OF THE M16, THE SUREFIRE OPTIMIZED BOLT CARRIER (OBC) DOUBLES THE RELIABILITY OF ANY M4/M16/AR VARIANT WEAPON SYSTEM DURING SUPPRESSED AND SUPPRESSED FIRING. ITS PATENTED DESIGN ALLOWS MORE TIME FOR RELIABLE FEEDING OF AMMUNITION FROM THE MAGAZINE AND NEARLY ELIMINATING BOLT-OVER-BASE MALFUNCTIONS. THE OBC ALSO DELAYS UNLOCKING OF THE BOLT DURING THE FIRING SEQUENCE, WHICH ALLOWS EXPANDING GASES MORE TIME TO EXIT THE BORE, IN TURN REDUCING BACK-PRESSURE GASES EXITING THE UPPER RECEIVER GROUP. ADDITIONALLY, THE NEUTRALLY BALANCED COUNTERWE - EQUAL TO SF-SF-OBC-556
MANUFACTURER:
SUREFIRE
MANUFACTURER PART NUMBER:
SF-OBC-556
UNIT OF MEASURE:
EA
QTY PER UNIT OF MEASURE:
1
COUNTRY OF ORIGIN:
UNITED STATES OF AMERICA
ORDER INCREMENT:
1
WEIGHT:
0.7
CONTRACTOR PART NUMBER:
2840448649
MAS CONTRACT NUMBER:
47QSEA20D0043
