PSA vs Sons of Liberty: AR-15 brands compared

PSA leads in 4 of 7 categories.

PSA for the price, upper receivers and lower receivers.

From tens of thousands of real builds and live prices at 30+ retailers.

Our take

PSA is best for:

PSA sells affordable AR lowers, uppers, BCGs and complete rifles, and it makes them in house from forging to finished part.

Lifetime warranty · Transferable warranty · Value pricing · Vertically integrated

  • Spending less: about 41% below average
  • The more popular pick: in 17% of builds
  • Upper receivers, picked 7x as often
  • Lower receivers, picked 9x 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

Many builders mix them: 23% of Sons of Liberty builds add PSA, most often the upper receiver.

Biggest differences

"Picked" is the share of builds with that part that chose each brand.

PSASons of LibertyDifference
Price vs average41% cheaper19% cheaperPSA cheaper
Share of builds17%5%PSA 3x
Lowers picked26%2.9%PSA 9x
Uppers picked14%1.9%PSA 7x
BCGs picked7.7%2.1%PSA 4x
Parts listed2,037562PSA 4x
Retailers carrying916Sons of Liberty 1.8x

Price: PSA wins

For the same part, PSA parts run 41% cheaper than average and Sons of Liberty parts run 19% cheaper than average.

Builder favorite: PSA wins

PSA is in 17% of builds and Sons of Liberty is in 5% of builds.

Why PSA: PSA's Full Lifetime Warranty covers the guns and parts it makes, and it transfers to later owners.

Receivers: PSA wins

Builders pick PSA lower receivers (9x) and upper receivers (7x) more often than Sons of Liberty.

Why PSA: PSA owns its supply chain, including Spartan Forging and DC Machine, from forging the receivers to finishing the muzzle brake.

Internals: Tie

Builders pick PSA bolt carrier groups (4x), charging handles (4x) and triggers (2.7x) more often than Sons of Liberty. Barrels are about even. Sons of Liberty muzzle devices, gas blocks and buffer tubes are picked often, PSA's rarely.

Why PSA: PSA's upgraded BCGs use a Carpenter 158 steel bolt that's shot peened, high pressure tested and magnetic particle inspected.

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.

Furniture: Tie

Sons of Liberty picked more often.

Complete rifles: PSA wins

PSA complete rifles picked often, Sons of Liberty rarely.

Shopper clicks: Tie

Of recent clicks through to a store for these brands, 50% went to PSA and 50% went to Sons of Liberty.

The full record

Everything we track for PSA vs Sons of Liberty, from builds, store listings and daily prices.

PSASons of Liberty
Share of builds17%5%
Price tierBudget friendlyMid priced
Parts listed2,037562
Part types2929
Retailers carrying916
In stock now93%25%
Price change, 90 dayson the most picked partsn/a6% higher
On sale nowNoneNone

What builders pair with them

PSA vs Sons of Liberty: questions builders ask

Which should you buy, PSA or Sons of Liberty?

PSA for the price, upper receivers and lower receivers. Pick PSA if price matters most: builders pay about 41% less than average for the same part. Builders pick its upper receivers 7x as often and lower receivers 9x as often. Pick Sons of Liberty if you want close to average prices: builders pay 19% cheaper than average. Or mix them like builders do: 23% of Sons of Liberty builds add PSA, most often the upper receiver.

Is PSA cheaper than Sons of Liberty?

PSA. PSA 41% cheaper than average, Sons of Liberty 19% cheaper than average.

Which do more AR-15 builders use, PSA or Sons of Liberty?

PSA. PSA is in 3.8x as many builds.

PSA or Sons of Liberty: which receivers do builders pick?

PSA. PSA upper receivers picked 7x as often, lower receivers picked 9x as often.

PSA or Sons of Liberty: which internals do builders pick?

Close. PSA bolt carrier groups picked 4x as often, triggers picked 2.7x as often.

PSA or Sons of Liberty: which furniture do builders pick?

Close. Sons of Liberty picked more often.

PSA or Sons of Liberty: which complete rifle do builders pick?

PSA. PSA complete rifles picked often, Sons of Liberty rarely.

Can you mix PSA and Sons of Liberty parts?

Yes. 23% of Sons of Liberty builds add PSA, most often the upper receiver.

What is PSA known for?

PSA sells affordable AR lowers, uppers, BCGs and complete rifles, and it makes them in house from forging to finished part.

What is Sons of Liberty known 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.