300 Blackout AR Builds (300 BLK): Most Popular Parts
This is the 300 Blackout build real builders put together most often on GunPartPicker: the part picked most in every slot across 300 Blackout builds from recent months. Picked at the prices builders saw, the main parts come to about $2,283.
From the GunPartPicker build log ·
The build, slot by slot
PricesUpper Receiver
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M46% of 300 Blackout builds with this slot · paid $129
PricesLower Receiver
Wilson Combat AR-15 Lower Receiver Forged5% of 300 Blackout builds with this slot · paid $43
PricesBarrel
FAXON Firearms 300 AAC Blackout 1-8 Twist 10.5" Barrel12% of 300 Blackout builds with this slot · paid $136
PricesBolt Carrier Group
FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD26% of 300 Blackout builds with this slot · paid $164
PricesHandguard
Midwest Industries Suppressor Series M-LOK AR-15 Handguard - 10.5"11% of 300 Blackout builds with this slot · paid $155
PricesCharging Handle
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers14% of 300 Blackout builds with this slot · paid $71
PricesTrigger
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger11% of 300 Blackout builds with this slot · paid $240
PricesStock & Brace
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black10% of 300 Blackout builds with this slot · paid $31
PricesPistol Grip
Wilson Combat AR-15 Starburst Gunfighter Pistol Grip Black10% of 300 Blackout builds with this slot · paid $25Runners up: Magpul MOE K2 Grip Polymer Gray (10%), B5 Systems Type 22 P-Grip - Black (7%)
PricesOptic
EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN14% of 300 Blackout builds with this slot · paid $1,289
Share is of 300 Blackout builds that filled the slot. Paid is the median price shown when builders picked the part, not today's price; the product page has today's price at every retailer.
What else 300 Blackout builders add
- Prices
Foregrip
Magpul AFG-2 Angled Fore Grip - Black18% of 300 Blackout builds with this slot · paid $24Runners up: Magpul M-LOK Handstop KIT - Black (12%), Fortis SHIFT Vertical Grip - M-LOK (9%) - Prices
Safety
Radian Weapons Talon Ambidextrous Safety Selector 2-Lever KIT - Radian Grey16% of 300 Blackout builds with this slot · paid $65 - Prices
Magazine Release
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK29% of 300 Blackout builds with this slot · paid $38Runners up: CMMG AR15 Ambi Mag Catch, Black - 55AFF6E (15%), Rise Armament AR-15 Magazine Release Button - Rise Red (9%) - Prices
Suppressor
SilencerCo Omega 300 Suppressor | 30 Caliber15% of 300 Blackout builds with this slot · paid $594Runners up: BANISH 30-V2 DTM 30 Caliber HUB Mount Suppressor Black (8%), Surefire SOCOM300 SPS (8%) - Prices
Takedown Pin
CMMG AR-15 HD Pivot and Takedown Pin Parts KIT - 55AFF3B28% of 300 Blackout builds with this slot · paid $16 - Prices
- Prices
Buffer Tube
Bravo Company AR-15/M16 BCM Mil-Spec 6 Position Receiver Extension28% of 300 Blackout builds with this slot · paid $39 - Prices
Trigger Guard
B5 Systems Trigger Guard ATG-001-0119% of 300 Blackout builds with this slot · paid $12Runners up: Strike Industries Fang Billet Aluminum Trigger Guard Black (14%), Magpul AR-15 MOE Enhanced Trigger Guard FDE (10%) - Prices
Gas Tube
Aero Precision Gas Tube, Pistol Length - Stainless Steel23% of 300 Blackout builds with this slot · paid $14 - Prices
Buffer
Geissele Automatics Super 42 Braided Buffer Spring and H3 Buffer26% of 300 Blackout builds with this slot · paid $83 - Prices
Gas Block
Strike Industries Collar Adjustable Gas Block20% of 300 Blackout builds with this slot · paid $96 - Prices
Light
Streamlight ProTac Rail Mount HL-X Laser 1000 Lumen Weapon Light with Tape Switch - CR123A26% of 300 Blackout builds with this slot · paid $155
Common questions
What parts go in the most popular 300 Blackout build?
Upper Receiver: Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4. Lower Receiver: Wilson Combat AR-15 Lower Receiver Forged. Barrel: FAXON Firearms 300 AAC Blackout 1-8 Twist 10.5" Barrel. Bolt Carrier Group: FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD. Handguard: Midwest Industries Suppressor Series M-LOK AR-15 Handguard - 10.5". Charging Handle: Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers.
How much does the most popular 300 Blackout build cost?
About $2,283 for the top pick in each of the 10 main slots, at the median price builders saw when they picked each part. Prices move daily, so each part links to today's price across retailers.
What counts as a 300 Blackout build?
300 Blackout fires a .30 caliber bullet from a standard AR-15 lower and magazine, and is built short and suppressed more than any other AR caliber.
Where does this data come from?
Every part on this page comes from 300 Blackout builds in the GunPartPicker build log from recent months, not from sales. Nothing here is editorial or paid for: a part ranks because builders chose it.