HK Rollers - Retainer and Pin


HK Rollers, Plate, Roll Pin
HK91 G3 Roller Retainer Plate and Roll Pin

HK Rollers
HK G3 HK91 Roller 8mm

HK +2 Rollers
HK G3 HK91 Roller 8.02mm +2

HK +4 Rollers
HK G3 HK91 Roller 8.04mm +4

HK -4 Rollers
HK G3 HK91 Roller 7.96mm -4

U.S. MADE ROLLERS
HK -8 -6 -2 +6 Roller


Original German HK Rollers, Retainer Plates and Pins. Fit all HK Bolt Heads including HK91/G3, HK93/33/53, HK94, MP5, SP89 all clones and the Cetme. Plus Size Rollers increase bolt gap. Minus sized rollers decrease bolt gap.

Don't know what size rollers you need? Learn how to check your bolt gap here: http://www.robertrtg.com/g3qa.html

ALL ROLLERS ARE PRICED PER ROLLER! So order two if you want a set.


Roller used $2 each roller (8mm)

Roller New $5 each roller (8mm)
8mm new are sold out, more coming. Email to be put on waiting list.


+4 Roller New $8 (8.04mm)

Retainer Plate for Rollers Surplus $3

Retainer Plate for Rollers New $8.95

Roll Pin for plate $1.50 (works with plate or spring style retainer)



Hard to find roller sizes -8, -6, -2 and +6 are now available. U.S. Made by Beltfed Precision.

ALL ROLLERS ARE PRICED PER ROLLER! So order two if you want a set.


-8 Roller new $12.50 (made by beltfed precision)

-6 Roller new $12.50 (made by beltfed precision)

-4 Roller new $9 (made by beltfed precision)

-2 Roller new $9 (made by beltfed precision)

+2 Roller new $9 (made by beltfed precision)

+6 Roller new $12.50 (made by beltfed precision)

+8 Roller new $12.50 (made by beltfed precision)

+10 Roller new $12.50 (made by beltfed precision)
(another helpful fix for century cetme and HK rifles)


PHONE ORDERS: 623-362-3459


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