AR-15 Crush Washer for 5.56/.223/9mm/7.62×39 Muzzle Brake or Flash HiderRated 5.00 out of 5$1.99 – $3.99Select options
Richard –
Reno –
how do I know my thread pattern to order? I have a PSA AR15
veriforce –
https://veriforcetactical.com/2019/04/18/how-can-i-tell-what-thread-pitch-are-on-my-ar-15-barrel/