F
FrankieHudman_69no complaints
Reviewed on April 16, 2026Verified with Build
honestly better than i expected at this price. recommend it for any build
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BLEM PSA AR-15 Lower Safe/Fire
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Palmetto State Armory
Overview
The BLEM PSA AR-15 Lower Safe/Fire is a stripped lower receiver made from durable 7075-T6 aluminum, designed specifically for the AR-15 platform. This lower features the essential safe and fire markings, allowing builders to easily identify the operating positions for their trigger group. It is commonly found in builds utilizing a mid-length gas system chambered in 5.56 NATO, providing a reliable foundation for a variety of configurations.
Specifications
MPN1728B
PlatformAR-15
AssemblyStripped
Material7075-T6 Aluminum
Frequently Built With
The part most often added in each category by the 130 builds that include this one
PSA Custom AR Trigger Single-Stage Flat Drop-In Match Grade - 116055
Trigger$80in 7 builds
Blem PSA AR-15 Complete Upper Receiver
Upper Receiver$60in 5 builds
Magpul Moe K2 Grip Polymer Gray
Pistol Grip$15in 11 builds
Radian Weapons Talon Ambidextrous Safety Selector 2-Lever Kit - Radian Grey
Safety$65in 7 builds
Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black
Charging Handle$50in 5 builds
TPS Arms AR-15 Mag Catch Assembly, Black - AR-1031
Magazine Release$8in 9 builds
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
100%
AR-15100%
CaliberBased on real build data showing which calibers builders choose alongside this product.
73.3%
5.56 NATO73.3%
300 Blackout13.3%
.223 Wylde6.7%
.223 Remington3.3%
6.8 SPC II3.3%
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
42.3%
Mid-Length42.3%
Carbine30.8%
Pistol23.1%
Rifle3.8%
Builds Featuring This Part
See all 10 →Builds in the community that include the BLEM PSA AR-15 Lower Safe/Fire
| Build | Parts | Total |
|---|---|---|
 | 11 | $499.34 |
 | 12 | $1033.57 |
 | 26 | $1817.78 |
 | 22 | $1176.93 |
 | 16 | $573.59 |
| 17 | $1240.27 |
 | 8 | $439.68 |
 | 20 | $988.47 |
 | 14 | $812.37 |
 | 25 | $1370.66 |
Customer reviews
5.0out of 5
2 global ratings
Top reviews
R
riversharkBlem you cant see
Reviewed on February 5, 2026Verified with Build
mated this with a PSA upper from a stripped sale. the blem on mine was a tiny anodizing variance near the buffer tube threads, totally hidden once you build it. trigger pocket was clean, no machining burrs
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