6.5 Grendel General Technical Specifications
- WEAPON
| Tactical Series | Overall Length(inches) | Weight(lbs) |
|---|---|---|
| Barrel | Collapsible/Extended | Hand Guard/Rail |
| 10.5 | N/A | |
| 16 | 32.625/36.5 | 6.590/7.225 |
| Advantage Series | ||
| 19.5 | 38.0 | 7.540/7.985 |
| 24 | 42.5 | 8.63/9.075 |
- UPPER ASSEMBLY AND MAGAZINES
| Sub Assembly | Weight |
| Lower | |
| A2 Standard | 2.540 |
| M4 Standard | 2.225 |
| GDMR | 3.405 |
| Tactical Upper | |
| 10.5 | 3.845 |
| 10.5 plus rail | 3.975 |
| 14.5 | 4.080 |
| 14.5 plus rail | 4.550 |
| 16 | 4.365 |
| 16 plus rail | 5.000 |
| Advantage Uppers | |
| Entry 19.5 | 5.000 |
| Hunter 19.5 | 5.000 |
| Overwatch 24 | 6.090 |
| AWS 19.5 | 5.445 |
| AWS 24 | 6.495 |
| Magazines | |
| 4 rnd | 0.280 |
| 10 rnd | 0.205 |
| Muzzle Brakes | |
| Millennium 3/4-28 | 0.330 |
| Millennium 9/16-24 | 0.270 |
| WCI 3/4-28 | 0.365 |
| WCI 9/16-24 | 0.400 |
| GDMR 3/4-28 | 0.170 |
- HAND GUARDS
- Tactical and Hunter- Carbine or Mid Length A2 profile, thermo plastic with heat shields
- Tactical Rail- Midwest Industries four railed picatinny type 6061 annodized 2 piece
- Entry and Overwatch- Rifle Length free float G10 FR4 composite tube with 7075 aluminum alloy barrel nut
- AWS- Midwest Industries four railed picatinny type 6061 annodized free float
- BARREL
| Tactical | Advantage | |
| Material | CrMoV+Cr Lined | Stainless |
| Diameter under hand guard | 0.730 | 0.870/0.890 |
| Diameter at gas block | 0.750 | 0.907 |
| Muzzle thread | 9/16-24tpi | 3/4-28tpi |
| Rifling | 6 groove | 6 groove |
| Twist rate | 1 in 7.5 | 1 in 9 |
- GAS SYSTEM
| Carbine | Mid | Rifle | |
| Tactical 10.5/14.5 | X | ||
| Tactical 16 | X | ||
| Advantage | X | ||
- BOLT
- Standard: ASTM 9310 equivalent surface refined case hardened peened and phosphated
- Hard use: ASTM 9310 equivalent triple tempered surface refined hardened and peened with IonBond DLC coating
- BARREL EXTENSION
- Grendel specific
- UPPER
- 7075-T651 forged Grendel specific ejection port
- Monolithic receiver rail system 7075-T651 alloy annodized type 2 class 3
- LOWER
- 7075-T651 forged, AR15 style
- CARRIER
- Internally honed and hard chromed, M16 type, ATF approved
