There is no way I can confirm that by using this kit you will be able to fix your problem. Your malfunctions could be stemming from just about anything. They could be caused by the bolt carrier group, magazine, gas system, buffer system, ammo, extractor/ejector on the bolt or something else. I would highly recommend reaching out to a local gunsmith to have them trouble shoot your AR or you can try to email us at techsales@opticsplanet.com, but you will need to provide ALL specifics regarding your firearm including
Parts used in the AR especially bolt carrier group and gas system
Magazines used
Buffer tube, weight and spring information
It depends on a few things like barrel length, but I would recommend an H3 for the heavy calibers.
Yes, the Aero Precision AR15 Carbine Buffer Kit will be compatible with your Del-Ton DT Sport AR15.
This Aero Precision AR15 Carbine Buffer Kit includes a carbine weight buffer which will be ideal for reliable functionality with your AR15. If you are going to use your rifle with a suppressor, I would recommend using an H2 buffer.
Yes, the Aero Precision AR15 Carbine Buffer Kit will fit any Milspec AR15 lower receiver. However, depending on caliber and barrel length, tuning of the buffer may be required. You can use the How-To Guide linked below to learn more about buffer weights for specific barrel length and calibers:
https://www.opticsplanet.com/howto/how-to-select-buffer-tubes.html
Yes, the Aero Precision AR15 Carbine Buffer Kit can replace a commercial buffer tube.
The Buffer Kit you will need will also depend on other features of your rifle, such as barrel length and gas system. However, I suggest using the H1 or H2 model of the Aero Precision Enhanced Carbine Buffer Kit at the link below.
https://www.opticsplanet.com/aero-precision-enhanced-carbine-buffer-kit.html?_iv_code=29D-BFA-APAR15ECBK-APRH101242
The Aero Precision AR15 Carbine Buffer Kit has a 3.0oz carbine buffer. This Aero Precision AR15 Carbine Buffer Kit will work with a rifle length 6.5 Grendel but I would consider the H1 or H2 buffer kit at the link below.
https://www.opticsplanet.com/geissele-premium-ar-15-m4-mil-spec-buffer-tube-assembly-w-super-42-spring.html
Yes, the Aero Precision AR15 Carbine Buffer Kit can be used with a rifle with a 20-24 inch barrel. As long as the receiver accepts Mil-Spec carbine buffer tubes it will work.
This depends on the exact setup such as barrel length and gas system. However, I recommend using the H2 model of the Aero Precision Enhanced Carbine Buffer Kit which can be found at the link below.
https://www.opticsplanet.com/aero-precision-enhanced-carbine-buffer-kit.html