Magpul vs Sons of Liberty: AR-15 brands compared
Sons of Liberty leads in 3 of 6 categories.
Magpul for handguards. Sons of Liberty for receivers and internals.
From tens of thousands of real builds and live prices at 30+ retailers.
Our take
Magpul is best for:
Magpul makes PMAG magazines, MOE stocks and grips, and created the M-LOK slot system that most handguards use now.
Created M-LOK · Mil-spec compatible · 60 day returns
- Close to average prices
- The more popular pick: in 29% of builds
- Handguards, picked 7x as often
Sons of Liberty is best for:
SOLGW makes duty style AR-15s in San Antonio and sells barrels, uppers, gas tubes and gas blocks on their own. SOCOM chose its MK1 for the Combat Assault Rifle program.
Lifetime warranty · SOCOM contract · Duty rifles
- Close to average prices
- Receivers (Magpul receivers are rarely picked)
- Internals (Magpul internals are rarely picked)
Many builders mix them: 37% of Sons of Liberty builds add Magpul, most often the stock.
Biggest differences
"Picked" is the share of builds with that part that chose each brand.
| Magpul | Sons of Liberty | Difference | |
|---|---|---|---|
| Price vs average | 19% cheaper | 19% cheaper | |
| Share of builds | 29% | 5% | Magpul 6x |
| Parts listed | 1,103 | 562 | Magpul 2.0x |
| Retailers carrying | 23 | 16 | Magpul 1.4x |
Price: Tie
For the same part, Magpul parts run 19% cheaper than average and Sons of Liberty parts run 19% cheaper than average.
Builder favorite: Magpul wins
Magpul is in 29% of builds and Sons of Liberty is in 5% of builds.
Why Magpul: Every Magpul product has a 60 day, no questions asked return policy, so you can test it in the field.
Receivers: Sons of Liberty wins
Sons of Liberty upper receivers picked often, Magpul rarely.
Most picked Magpul receivers
Rarely picked
Internals: Sons of Liberty wins
Sons of Liberty gas blocks picked often, Magpul rarely.
Why Sons of Liberty: The M4-76 runs an A5 buffer system with a VLTOR A5-H2 buffer and a pinned and welded NOX muzzle device.
Most picked Magpul internals
Rarely picked
Furniture: Magpul wins
Builders pick Magpul handguards (7x) more often than Sons of Liberty. Magpul stocks and pistol grips are picked often, Sons of Liberty's rarely.
Why Magpul: The MOE SL stock fits mil-spec carbine tubes and has a slim profile, an anti-rattle feature and an ambi QD sling mount.
Shopper clicks: Sons of Liberty wins
Of recent clicks through to a store for these brands, 64% went to Sons of Liberty and 36% went to Magpul.
The full record
Everything we track for Magpul vs Sons of Liberty, from builds, store listings and daily prices.
| Magpul | Sons of Liberty | |
|---|---|---|
| Share of builds | 29% | 5% |
| Price tier | Mid priced | Mid priced |
| Parts listed | 1,103 | 562 |
| Part types | 34 | 29 |
| Retailers carrying | 23 | 16 |
| In stock now | 85% | 25% |
| Price change, 90 dayson the most picked parts | 13% higher | 6% higher |
| On sale now | 2 parts | None |
On sale now
Magpul deals
Magpul MAG447PLM AK Cheek Riser 0.75 Plum$13.54, typically $23.79 (43% off)
Magpul MAG500- Asap Steel$23.91, typically $34.15 (29% off)Sons of Liberty deals
None right now















