Description
AR-Comp by Alliant Powder is a medium-burn-rate rifle propellant, well-regarded for its versatility and reliability in handloading applications. This extruded powder is engineered to deliver stable performance across a range of conditions, making it an excellent choice for cartridges such as .223 Remington and .308 Winchester. Its physical form is conducive to smooth metering, though some reloaders may employ additional care when using progressive loaders to ensure consistent charge weights. AR-Comp exhibits impressive temperature stability, providing consistent velocities and pressures even in fluctuating environmental conditions, which is crucial for precision shooting and competition scenarios. It is particularly effective for small- to medium-caliber rifle cartridges, where consistency and accuracy are paramount. Handloaders utilizing AR-Comp can expect reliable ignition and uniform performance, key advantages for fine-tuning loads for specific barrels or shooting disciplines. Alliant Powder's reputation for quality ensures that AR-Comp remains a trusted component for those seeking precision and repeatability in their reloading endeavors.
Specifications
Burn Rate
4.8 (Medium)
Bulk Density
0.890 g/cm³
Density
1.565 g/cm³
Temperature Sensitivity
Low
Suitable Substitutes
Powders with a similar burn rate that may be suitable alternatives (also see burn rate chart):
Standard Loads — Alliant AR-Comp
Verified load data combinations using Alliant AR-Comp.
.17 Rem.
Berger .172 | 25gr | Berger Varmint 25gr
.17 Rem.
Hornady .172 | 15.5gr | Hornady NTX 15.5gr
.17 Rem.
Hornady .172 | 17gr | Hornady V-MAX 17gr
.17 Rem.
Hornady .172 | 20gr | Hornady V-MAX 20gr
.17 Rem.
Hornady .172 | 25gr | Hornady V-MAX 25gr
.17 Rem.
Impala Bullets .172 | 20gr | Impala LWHV LS 20gr
.17 Rem.
Impala Bullets .172 | 22gr | Impala LW CFN 22gr
.17 Rem.
Lehigh Defense .172 | 18gr | Lehigh Defense Controlled Chaos 18gr
.17 Rem.
Lehigh Defense .172 | 20gr | Lehigh Defense Controlled Chaos 20gr
.17 Rem.
Nosler .172 | 20gr | Nosler Varmageddon 20gr
.17 Rem.
Nosler .172 | 20gr | Nosler Varmageddon BTip 20gr
.17 Rem.
Peregrine .172 | 21gr | Peregrine VLR-4 21gr
.17 Rem.
Peregrine .172 | 22gr | Peregrine VLR-5 22gr
.17 Rem.
Styria Arms | AERO .172 | 19gr | AERO SOLR-SR,- smax:6.90 19gr
.17 Rem.
Styria Arms | AERO .172 | 19gr | AERO SB-SR,- smax:7.00 19gr
.17 Rem. Fireball
Berger .172 | 25gr | Berger Varmint 25gr
.17 Rem. Fireball
Hornady .172 | 20gr | Hornady V-MAX 20gr
.17 Rem. Fireball
Hornady .172 | 25gr | Hornady V-MAX 25gr
Subsonic Loads — Alliant AR-Comp
Verified subsonic load data combinations using Alliant AR-Comp.
.30-06 Spring.
Berger .308 | 230gr | Berger Hybrid OTM Tactical 230gr
.30-06 Spring.
Berger .308 | 230gr | Berger Hybrid Target 230gr
.30-06 Spring.
Discreet Ballistics .308 | 188gr | Discreet Ballistics Selous Machined Expander 188gr
.30-06 Spring.
Hornady .308 | 175gr | Hornady Sub-X 175gr
.30-06 Spring.
Hornady .308 | 190gr | Hornady Sub-X 190gr
.30-06 Spring.
Lapua .308 | 200gr | Lapua Subsonic 200gr
.30-06 Spring.
MAKER .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets 200gr
.30-06 Spring.
MAKER .308 | 220gr | MAKER 300 blackout 220gr
.30-06 Spring.
Peregrine .308 | 155gr | Peregrine Subsonic 155gr
.30-06 Spring.
Reichenberg .308 | 154gr | Reichenberg HDB Subsonic 154gr
.30-06 Spring.
Reichenberg .308 | 200gr | Reichenberg Subsonic 200gr
.30-06 Spring.
Sierra .308 | 220gr | Sierra MatchKing 220gr
.30-06 Spring.
Styria Arms | AERO .308 | 95gr | AERO SUB-I,- smax:11.30 95gr
.30-06 Spring.
Styria Arms | AERO .308 | 115gr | AERO SUB,- smax:11.40 115gr
.30-06 Spring.
Styria Arms | AERO .308 | 190gr | AERO SUB,- smax:23.90 190gr
.308 Win.
Discreet Ballistics .308 | 188gr | Discreet Ballistics Selous Machined Expander 188gr
.308 Win.
Hornady .308 | 175gr | Hornady Sub-X 175gr
.308 Win.
Hornady .308 | 190gr | Hornady Sub-X 190gr
Community Loads — Alliant AR-Comp
Sample load data calculated with Alliant AR-Comp.
You need a PRO license to unlock and view all data.
| Cartridge | Bullet | Barrel (in) | Charge (gr) | OAL (in) | Case Volume (GoW) | Max. Pressure (psi) | Muzzle Velocity (fps) |
|---|---|---|---|---|---|---|---|
| .204 | 32gr | Nosler Ballistic Tip Varmint | 24.0 | 29.0 | 2.25 | 33.8 | 56,362 (96%) | 3934 | |
| .204 | 32gr | Nosler Ballistic Tip Varmint | 24.0 | 27.6 | 2.25 | 33.8 | 47,500 (81%) | 3780 | |
| .224 | 69gr | Sierra Varmint King (formerly Blitzking) | 16.5 | 28.5 | 2.24 | 34.6 | 61,627 (99%) | 2982 | |
| .224 | 55gr | Hornady V-MAX | 20.0 | ••.• | 2.26 | 30.0 | 52,402 (95%) | 3153 | |
| .224 | 78gr | Barnes TSX BT | 24.0 | ••.• | 2.26 | 32.8 | 51,982 (95%) | 2861 | |
| .224 | 78gr | Barnes TSX BT | 24.0 | ••.• | 2.26 | 32.8 | 42,830 (78%) | 2726 | |
| .224 | 85.5gr | Berger Long Range Hybrid Target | 24.0 | ••.• | 2.26 | 32.8 | 47,195 (86%) | 2654 | |
| .277 | 150gr | Nosler AccuBond Long Range | 16.0 | ••.• | 2.69 | 54.0 | 58,305 (92%) | 2375 | |
| .308 | 168gr | Hornady BTHP Match | 24.0 | ••.• | 3.34 | 68.2 | 56,217 (96%) | 2726 | |
| .308 | 168gr | Hornady BTHP Match | 24.0 | ••.• | 3.34 | 68.2 | 52,924 (90%) | 2687 | |
| .308 | 168gr | Berger Hybrid Target | 20.0 | ••.• | 2.83 | 56.8 | 59,103 (98%) | 2621 | |
| .308 | 168gr | Sierra Tipped MatchKing | 20.0 | ••.• | 2.80 | 56.0 | 58,755 (98%) | 2598 | |
| .308 | 168gr | Sierra Tipped MatchKing | 18.0 | ••.• | 2.80 | 56.0 | 58,755 (98%) | 2549 | |
| .308 | 168gr | Barnes TTSX BT | 16.0 | ••.• | 2.80 | 56.0 | 58,871 (98%) | 2480 | |
| .375 | 175gr | Lehigh Defense Controlled Fracturing | 18.0 | ••.• | 2.26 | 60.0 | 34,143 (98%) | 2359 | |
| .224 | 80gr | Hornady ELD-X | 22.0 | ••.• | 2.38 | 30.0 | 61,192 (98%) | 2795 | |
| .224 | 80gr | Hornady ELD-X | 22.0 | ••.• | 2.38 | 30.0 | 60,408 (97%) | 2789 | |
| .224 | 80gr | Hornady ELD-X | 22.0 | ••.• | 2.46 | 30.0 | 57,696 (93%) | 2766 |
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