PSA vs B5 Systems: AR-15 brands compared
PSA leads in 5 of 7 categories.
PSA for the price, receivers and internals. B5 Systems for stocks.
From tens of thousands of real builds and live prices at 30+ retailers.
Our take
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
- Receivers (B5 Systems receivers are rarely picked)
- Internals (B5 Systems internals are rarely picked)
- Complete rifles (B5 Systems complete rifles are rarely picked)
B5 Systems makes AR stocks, grips and handguards, mainly the SOPMOD and Bravo stocks the US military buys, plus the Type 22 P-Grip.
Mil-spec buffer tube fit · SOPMOD stocks · Limited lifetime warranty
- Close to average prices
- Stocks, picked 49x as often
Many builders mix them: 15% of B5 Systems builds add PSA, most often the upper receiver.
Biggest differences
"Picked" is the share of builds with that part that chose each brand.
| PSA | B5 Systems | Difference | |
|---|---|---|---|
| Price vs average | 41% cheaper | 11% cheaper | PSA cheaper |
| Share of builds | 17% | 14% | PSA 1.2x |
| Stocks picked | 0.2% | 11% | B5 Systems 57x |
| Parts listed | 2,037 | 205 | PSA 10x |
| Retailers carrying | 9 | 15 | B5 Systems 1.7x |
Price: PSA wins
For the same part, PSA parts run 41% cheaper than average and B5 Systems parts run 11% cheaper than average.
Builder favorite: Tie
PSA is in 17% of builds and B5 Systems is in 14% 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
PSA upper receivers picked often, B5 Systems rarely.
Why PSA: PSA owns its supply chain, including Spartan Forging and DC Machine, from forging the receivers to finishing the muzzle brake.
Most picked PSA receivers
PSA Upper 5.56 16" Mid-Length Nitride 13.5" M-LOK$249.99, in stock at 1 store
PSA "Stealth" Stripped Lower Receiver$79.99, in stock at 1 store
PSA Built Stealth Upper Receiver$99.99, in stock at 1 storeMost picked B5 Systems receivers
Rarely picked
Internals: PSA wins
PSA bolt carrier groups picked often, B5 Systems rarely.
Why PSA: PSA's upgraded BCGs use a Carpenter 158 steel bolt that's shot peened, high pressure tested and magnetic particle inspected.
Most picked PSA internals
PSA Bolt Carrier Group 5.56 Full-Auto Nitride MPI$89.99, in stock at 1 store
PSA /PA10 EPT$49.99, in stock at 1 store
PSA Custom Charging Handleout of stockMost picked B5 Systems internals
Rarely picked
Furniture: B5 Systems wins
Builders pick B5 Systems stocks (49x) more often than PSA. B5 Systems pistol grips are picked often, PSA's rarely.
Why B5 Systems: The B5 Bravo stock fits mil-spec carbine tubes and uses steel hardware and steel anti-rotation QD sling mounts.
Complete rifles: PSA wins
PSA complete rifles picked often, B5 Systems rarely.
Most picked PSA complete rifles
PSA PA-15 16" Nitride M4 Carbine 5.56 NATO Classic 13.5"$549.99, in stock at 1 store
PSA PA-15 16"Nitride M4 Carbine 5.56 NATO Classic Rifle$499.99, in stock at 1 store
PSA Guardsman-15 16" Midlength 5.56 NATO 1/7 CL$617.49, out of stockMost picked B5 Systems complete rifles
Rarely picked
Shopper clicks: PSA wins
Of recent clicks through to a store for these brands, 92% went to PSA and 8% went to B5 Systems.
The full record
Everything we track for PSA vs B5 Systems, from builds, store listings and daily prices.
| PSA | B5 Systems | |
|---|---|---|
| Share of builds | 17% | 14% |
| Price tier | Budget friendly | Mid priced |
| Parts listed | 2,037 | 205 |
| Part types | 29 | 7 |
| Retailers carrying | 9 | 15 |
| In stock now | 93% | 81% |
| Price change, 90 dayson the most picked parts | n/a | Flat |
| On sale now | None | None |
