Gun Parts
Welcome to the Gun Parts superstore at Boss Firearms Company, LLC. Whether you are undertaking a custom precision build, performing routine armorer maintenance, or upgrading an existing platform, we stock the high-performance components you need. As an authorized dealer for premium OEM and aftermarket manufacturers, we provide everything from stripped receivers and match-grade triggers to enhanced bolt carrier groups (BCGs) and duty-ready barrels for rifles, handguns, and shotguns.
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Out of stockOn Sale
LMT Defense - DMR Buttstock - DMR308T
LMT Defense
Now: $391.50Was: $403.65LMT Defense designated Marksman Rifle buttstock. Designed for .308 caliber rifles with carbine extension tubes. The DMR stock has comb height and length of pull adjustments for fine tuning of the...Now: $391.50Was: $403.65 -
LMT Defense - 7.62/5.56 Flip-Up Battle Sight Set - L8BUIST
LMT Defense
MSRP: $250.00$231.75The LMT Defense 7.62/5.56 Flip-Up Battle Sight Set (L8BUIST) is the complete BUIS (Backup Iron Sight) solution for any AR-15 or AR-10 platform using a primary red dot or variable power optic. The set...MSRP: $250.00$231.75 -
LMT Defense - MWS .308 M-LOK Upper Receiver - 15.3" - LM308BML4A
LMT Defense
MSRP: $1,525.00$1,413.90The LMT Defense MWS .308 M-LOK Upper Receiver 15.3" (LM308BML4A) is LMT's extended large-caliber MRP-H monolithic upper receiver, offering an additional 3 inches of handguard length over the standard...MSRP: $1,525.00$1,413.90 -
Out of stock
Spuhr - 34mm Picatinny Mount 0 MOA - 1.5" Extended Housing - SP-4002C
Spuhr
$475.00SPUHR SP-4002 *Replacement model for the SP-4003B Ring Size: 34mm$475.00 -
Out of stock
Spuhr - 36mm Cantilever Quick Detach Mount 0MIL/0MOA 1.5" - QDP-6016
Spuhr
$495.00Spuhr 36mm Cantilever QD Ring Size: 36mm Tilt: 0 MIL / 0 MOA Height: 38mm(1.5in)$495.00 -
Out of stock
Spuhr - Ballistic Adjustable Mount for Aimpoint M4 Sights 7.62 - SM-101QD-1
Spuhr
$715.00The BAM mount is intended to provide Aimpoint M4 sight’s with multiple distance settings. 7.62/308 Ballistics: 50/200 Meter Zero, TO 1000 Meters As the integral Aimpoint twist mount moves parallel...$715.00 -
Out of stock
Spuhr - 34mm Picatinny Mount 3 MIL/10.3MOA 1.5" - SP-4302C
Spuhr
$410.003 MIL/10.3 MOA Height: 38 mm/1.5” Length: 120 mm/4.72” (body) 130 mm/5.12” (OAL) Weight: 255 g/9.0 oz 10-degree w$410.00 -
Out of stock
Spuhr - Picatinny Hunting Mount 34mm H/1.18" - SCP-4001A
Spuhr
$220.00Spuhr's new Hunting Series of mounts - offering a more attractive and lightweight alternative to the ISMS series of scope mounts. The SCP-4001 is designed for use on Picatinny rails and features two...$220.00 -
Out of stock
Spuhr - Tikka T3 Scope Base 20 MOA Extended - R-7622
Spuhr
$93.00High Quality Dehorned Scope Mount Base Based on a decade of experience designing and manufacturing the original Ideal Scope Mount System – i$93.00 -
Out of stock
Spuhr - Picatinny Interface Rings 34mm H/1.18" - HP40-30D
Spuhr
$199.00Aesthetic hunting rings for 34 mm tube on Picatinny and Weaver bases/rails. Features two Spuhr Interface top covers for attaching accessories. Height: 30mm/1.18" Weight: 119 gram/4.2oz Rai$199.00 -
Out of stock
Spuhr - Picatinny Aesthetic Rings 30mm H/1" - HP30-25A
Spuhr
$159.00Aesthetic hunting rings for 30mm tube on Picatinny and Weaver bases/rails. Features two classic top covers.$159.00 -
Out of stock
Spuhr - 30mm Cantilever Mount 0 MOA 1.5" Gen 3 - SP-3022C
Spuhr
$410.00Extended cantilever. Allows the scope to be mounted 70 mm/2.76” further forward than with a non-cantilever mount.10-Degree wedge included 0 MIL/0 MOAHeight: 38 mm/1.5”Length: 140 mm/5.51”$410.00