Rock River Arms RRA 9mm Heavy Buffer 5.5 oz Carbine Length
For use in 9mm AR15 uppers and semi-automatic AR15's in place of carbine buffers. Weighs 5.5 oz and uses mechanical reciprocation. It is also used to reduce cycle rate of the AR15 and felt recoil.
9mm Conversion Parts
- 9mm Complete Upper
- 9mm Hammer (RRA recommended but AR15 Sporter style may be used)
- 9mm Buffer (YHM or RRA)
- 9mm Mag Block (Recommend Spike's Tactical)
- 9mm Magazines
What are typical Buffer Weights?
Standard Carbine Buffer 2.9oz
H Buffer 3.7oz
ST-T2 4.3oz ST-T3 5.4oz