AR15 Platform
| AR 15 Tools | AR 15 Kit Build | AR 15 Parts Build | |
| AR 15 Pistol Build | AR 15 Pistol Brace | AR 15 80% Lowers | |
| AR 15 Quadrail Build | AR 15 Trigger Mod | ||
Do you buy an AR15 or build one? Well, it depends on how much you want to spend. It is cheaper to just buy one and just shoot it. If you want to build it depends on your budget, your mechanical skills and if you want to invest in some tools.
OBTW - The lower is the rifle according to the ATF as it has the serial #. The rest of the rifle is just parts.
You can get the AR15 in the following: lengths, finishes, calibers and barrel twists.
- 7.5" - Pistol Length
- 10.5" - Pistol Length
- 14" - Pistol Length
- 16" - Carbine Length
- 18" - Mid Length
- 20" - Rifle Length
- 24" - Rifle Length
Finish
- Stainless
- Polished
- Satin
- Bead blasted
- Manganese Phosphate or Parkerized
- Nitride
- Melonite
- Cryogenic
Common Calibers
- .223 Remington
- 5.56 45 mm NATO
- .300 AAC Blackout (7.62 35mm)
- .308 Win (7.62 NATO)
- 6.5 Creedmoor
- 6.5 Grendel
- 9 mm
- And many more
Rifling or Twist Rate
- 1:7 - 62/77/80 Grain
- 1:8 - 62/77 Grain
- 1:9 - 55 Grain
NOTE - The original twist was 1:14 but was changed to 1:12.
Length
The AR15 comes in basically 3 flavors.
- Complete - No assembly required.
- Bulders Kit - With or with out a lower. - some assembly required.
- DIY Kit - Use serialized lower or non-serialized 80% lower.
With Upper & Lower Parts kits.
Lots of assembly required.
