Browning A500g Trigger Group

Nomenclature

In conventional gun terminology, the position and movement of gun parts are described as they occur with the gun horizontal and in normal firing position; i.e., the muzzle is forward or front; bull stock is rearward or rear; trigger is downward or underneath; the rib is upward or on top. For general parts nomenclature refer to figure I-A. See Figure l-B for names of all parts and assemblies covered in disassembly and cleaning procedures.

Safety Button

Receiver

Ejection Port

General Operating Procedures

The Browning A-500C. shotgun is a gas-operated. semi-automatic shotgun. It is capable of shooting five shots (with the magazine plug removed) in rapid succession with each pull of the trigger. The rotary bolt locks into the barrel with four lugs, t 'pon firing, high pressure gas from the barrel passes through two ports in the barrel, through the barrel ring guide and into the gas cylinder. The high pressure gases force the gas piston rearward, applying pressure lo the sleeve bar assembly. The special gas

Barrel Rib

Recoil Pad (Butt)

Safety Button

Receiver

Ejection Port

Recoil Pad (Butt)

Browning A500

Trigger Trigger Guard Loading

Port

Breech Block Release Button

Forearm

FIGURE 1-A

Barrel

Trigger Trigger Guard Loading

Port

Breech Block Release Button

Forearm

Muzzle (In vector Choke Inside)

FIGURE 1-A

Browning A500gSpring Action Follower Shotgun Browning

A Barrel Extension Guides

B. Barrel Ring Guide/Gas Cylinder

C. Front Action Springs

D. Bolt Release Button (Carrier Latch Button)

E. Breechblock Assembly

F. Carrier

G. Forearm

H. Sleeve Bar Assembly

I. Magazine Tube J. Magazine Cap

K. Magazine Spring Retainer pressure regulation valve releases excess gas pressure that is not necessary for operating the action. This keeps holt speed more consistent and allows vou to shoot all factory 2 3/4" and 3"' loads interchangeably. without adjustment. As the piston moves the sleeve reward, the action bar —which extends from the sleeve — pushes the breechblock rearward, operating the action. As the breechblock moves rearward, it turns and unlocks the 4-lug rotary holt, recocks the hammer, and ejects the liied shell.

L. Magazine Follower

M. Magazine Spring

N. Operating Handle

O. Return Spring

P. Rotary Bolt Head

Q. Three Shot Adapter

R. Trigger Group

S. Trigger Guard Retaining Nut

T. Trigger Guard Retaining Screw

U. Gas Piston

After full rearward travel, the breech-block returns forward, picking up a new shell from the magazine and chambering it automatically. After the last shell has been fired, the breechblock locks to the rear, instead of returning forward. This facilitates speedy, convenient reloading.

NOTE: The A-500G is delivered with the magazine adaptor in the magazine which limits the gun to three shots, in accordance with federal migratory bird laws. If you do not want your gun to be so lim ited, merely take out the three shot

adapter as explained on page 3-1 under "Three Shot Adapter."

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  • keke
    How does the bolt lock back on a browning a500?
    1 year ago

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