J P Enterprises
Shop J P Enterprises at Arms East. U.S. shipping and Canadian PAL export available.
- Rifle Parts Add to cart
JP Enterprises jam nut with hex-pattern design simplifies muzzle device installation on .750″ barrels with 1/2-28″ threading. Steel construction in black finish is reusable and enables easier removal compared to crush washers.
$16.00Low Stock 
JP Enterprises 9mm Gen2 Silent Capture Spring Short Stroke Steel Tungsten Accessory
J P EnterprisesAdd to cartRifle Parts Add to cartJP Enterprises Gen2 9mm Silent Capture Spring reduces recoil and cycling noise with drop-in installation and integrated Steel/Tungsten masses that eliminate the need for a separate buffer. The short-stroke design delivers snappier cycling while the captured guide rod prevents spring contact with the buffer tube.
$212.00Low Stock- Hunting Accessories Add to cart
JP Enterprises Silent Captured Spring Gen 2 H2 eliminates buffer spring noise with a centerless-ground spring design for virtually silent AR-15 cycling. Drop-in replacement delivers dramatic reductions in friction and vibration during live fire.
$203.00In Stock JP Enterprises D2 Series Ultra Low Profile 0.875 Adjustable Gas Block with Detent Accessory
J P EnterprisesAdd to cartRifle Parts Add to cartJP Enterprises D2 Series Ultra Low Profile 0.875 Adjustable Gas Block delivers 52 clicks of adjustment resolution—double current detent blocks—machined from 416 stainless steel for precision and corrosion resistance on modern AR-platform builds. The slim, low-profile design fits under minimal hand guards and accommodates shorter gas block journals like those on Proof Barrels.
$151.95Low StockJP Enterprises Large Frame 308 Winchester Enhanced Bolt Carrier Pin Package Accessory
J P EnterprisesAdd to cartRifle Parts Add to cartJP Enterprises Enhanced Bolt Carrier Pin Package delivers superior retention and durability for large-frame .308 Winchester platforms, featuring a cotter-style firing pin retainer and low-friction QPQ cam pins machined to thicker specifications than standard components.
$42.70In Stock- Hunting Accessories Add to cart
JP Enterprises JPROS Rail Offset Adapter positions tactical accessories at 45 degrees with 1.25″ standoff for unobstructed sight picture and maximum flexibility on AR-platform rifles. Precision-engineered for standard Picatinny rails.
$64.00Low Stock - Hunting Accessories Add to cart
JP Enterprises Tuned And Polished Extra Power Buffer Spring (JPS-OSR) reduces felt recoil and improves follow-up accuracy with precision-engineered stainless steel construction. The centerless ground and polished design delivers smoother, quieter operation in AR buffer tubes while supporting positive feeding.
$22.00Low Stock - Rifle Parts Add to cart
J P Enterprises JPBC-2A Full Mass Bolt Carrier Group engineered for 6.5 Grendel and 6MM ARC platforms. Precision-machined for reliability and performance in modern intermediate cartridge rifles.
$421.00Low Stock
