Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Factory Replacement Parts For Military & Law Enforcement Applications

Factory original, fire control parts keep your select-fire Colt M16/M4 shooting reliably, so you’ll be prepared to face intensive tactical operations with the confidence of knowing your weapon won’t let you down. These parts are precision engineered and manufactured to strict quality control standards from the finest materials for correct fit in your gun. All NFA rules apply.

AR-15, Issue:11, Page:041
Big Book Catalog, Issue:69, Page:039

SPECS: Steel. Matte black finish.

COLT - Hammer Spring, 3-Shot, Burst, A2

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2 Item(s)
M4 Burst Hammer Spring
160000368M4 Burst Hammer Spring

Mfr Part: SP64558


Online Only
In Stock
AR15A4 Hammer Spring
160305103AR15A4 Hammer Spring

Mfr Part: SP61697


Online Only
In Stock
Hammer Spring, 3-Shot, Burst, A2