Details
Details
Reduce felt recoil and improve cycling reliability with the Spike's Tactical ST-T2 Tungsten Heavy Buffer 4.0 oz. This heavier buffer slows bolt carrier velocity, helping tame over-gassed systems and deliver smoother, more controlled shooting.
The Spike's Tactical ST-T2 Tungsten Heavy Buffer 4.0 oz is a carbine-length buffer designed for AR-15 platforms using carbine receiver extensions.
Heavier mass slows bolt carrier velocity for reduced felt recoil and less bolt bounce.
Increases dwell time, improving extraction reliability in over-gassed or suppressed setups.
Direct drop-in replacement for standard carbine buffers with no modifications required.
- Type: Heavy Heavy Carbine Buffer
- Length: 3.25"
- Fill: High-Density Tungsten Powder
Compatible with AR-15 and AR-10 platforms using Mil-Spec or commercial carbine-length receiver extensions. Also fits 8" GI-spec AR-10/AR-308 receiver extensions.
Precision machined to mil-spec dimensions for reliable fit and consistent performance. Built from durable materials to withstand years of regular use.
A reliable choice for standard AR-15 carbine builds, replacement parts, and new builds using carbine-length gas systems with 16-inch barrels.
Spike's Tactical is a veteran-owned manufacturer of AR-15 rifles and components, known for innovative designs and dependable performance trusted by military, law enforcement, and civilian shooters.
California Prop 65 warning
WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.Ratings & Reviews
243 reviews
Worked as advertised.
by anonymous
Didn't hear the "twang" sound after putting the buffer in tubb's CS flatwire buffer spring. Fast shipping by Primary Arms, ordered Friday night got it on Monday.
Too good to pass up.
by Hal Bass
I have this buffer in all of my EBRs and have bought them all from Primary Arms. The sale price on these last two was too good to pass up. Now I need two more lowers.Great delivery time, as usual.
The tail end of the heart and soul of your rifle
by Matt
Do it. Buy it. You won't regret it. Its real nice.P.A. is great.
T2 buffer
by anonymous
Just what I needed. The service from P.A. is second to none.
t2 buffer
by anonymous
Shipping is quick. Spikes buffer really settled my ar down. Have bought many things from you guys and have been satisfied every time
ST-T2
by Jeremy
Seems to work as advertised. So good so far.
Spiles ST-T2
by anonymous
These are great buffers. Got one in every gun. Primary Arms ships faster than greased lightning.
Spikes tactical buffer
by Jeffrey Elias
works fantastic, I like the black and the spider logo on it. And again you can't beat the speed of delivery. Primary Arms is 2nd to none.
Spike's T2 ZBuffer
by anonymous
Good price, quick shipment. What is not to like? I'll buy from PA again!
Spike's ST-T2 Tungsten Heavy Buffer
by anonymous
Excellent seller. Fast shipping.