Rifle Buffer Tube (Receiver Extension) for all fixed Rifle Stock versions of the AR15 ( M16 / M16A1 / M16a2 / M16a3 / M16a4 or any standard rifle length buffer system).
For AR15 / M16 / M16A1 the Buttstock will slide onto the buffer tube and needs only this Screw to secure it (Here)
For the M16A2 you will need both a Spacer (Here) and the longer A2 Screw (Here)
Aluminum
Made in the USA
Lifetime Guarantee
Retro Rifles
Rifle Buffer Tube Assembly for all Rifle length AR15 / M16 / M16A1 / M16A2 / M16A3 / M16A4 models.
The original M16 had about a 13.25" length-of-pull. The M16A2 had a Butt Stock about an inch longer
Standard AR15 / M16 Buffer retainer spring Can be used with any Milspec semi or full auto hammer.
Colt
Flat Spring for the Rear Sight Assembly for all model AR15's / M16's with a carry handle flip Rear S
Standard Stainless Steel AR15 / M16 Gas tubes. Four Sizes available, based on Gas Port leng
